निश्चित (nishchit)

adjective/adverb An adjective meaning 'certain, fixed, definite' -- covers both a scheduled/decided fact (a fixed time or plan) and a person's mental certainty about something; also survives as an adverb-like usage meaning 'certainly, definitely.'
Sense 1 : fixed, decided, predetermined (of a time, plan, or arrangement)
adjective
Synonyms: तय (tay), निर्धारित (nirdhaarit, formal), पक्का (pakkaa)
Frequency: high
Cultural Note: You will see निश्चित (nishchit) constantly on invitations, schedules, and official notices -- निश्चित तिथि (nishchit tithi, 'fixed date') is classic formal-letter language. It shares a root with निश्चय (nishchay, 'resolve/decision') and निश्चित रूप से (nishchit roop se, 'definitely'), so once you know one, the family becomes easy to spot.
Common Mistakes: 1) Learners often reach for तय (tay) as the default and forget निश्चित (nishchit) works just as naturally with times, dates, and plans -- e.g. निश्चित समय (nishchit samay, 'fixed time'). 2) Don't confuse with निश्चय (nishchay), the related noun meaning 'decision, resolve' -- निश्चित (nishchit) is the adjective form describing the *result* of that decision, not the decision itself.
Sample Sentences:
बैठक की तारीख़ अभी तक निश्चित नहीं हुई है। The date for the meeting has not been fixed yet.
(baithak kii taariikh abhii tak nishchit nahiin huii hai।)
Register: Formal -- Mood: Indicative -- Aspect: Perfective -- Tense: Present -- Voice: Passive
शादी की निश्चित तिथि सब मेहमानों को बता दी गई है। The fixed date of the wedding has been told to all the guests.
(shaadii kii nishchit tithi sab mehmaanon ko bataa dii gaii hai।)
Register: Formal -- Mood: Indicative -- Aspect: Perfective -- Tense: Present -- Voice: Passive
कृपया निश्चित समय पर पहुँचिए, देर बिलकुल नहीं होनी चाहिए। Please arrive at the fixed time, there should be no delay at all.
(kripyaa nishchit samay par pahunchie, der bilkul nahiin honii chaahie।)
Register: Formal -- Mood: Imperative -- Voice: Active
हर महीने की एक निश्चित तारीख़ को किराया देना होता है। The rent has to be paid on a fixed date every month.
(har mahiine kii ek nishchit taariikh ko kiraayaa denaa hotaa hai।)
Register: Neutral -- Mood: Indicative -- Aspect: Habitual -- Tense: Present -- Voice: Active
यदि कार्यक्रम का समय निश्चित होता, तो सब समय पर तैयार रहते। If the program's time had been fixed, everyone would have stayed ready on time.
(yadi kaaryakram kaa samay nishchit hotaa, to sab samay par taiyaar rahte।)
Register: Neutral -- Mood: Counterfactual -- Aspect: Habitual -- Voice: Active
इस प्रोजेक्ट के लिए एक निश्चित बजट तय किया जाना चाहिए। A fixed budget should be decided for this project.
(is projekt ke lie ek nishchit bajat tay kiyaa jaanaa chaahie।)
Register: Formal -- Mood: Subjunctive -- Tense: Present -- Voice: Passive
परीक्षा की निश्चित तारीख़ों की सूचना वेबसाइट पर डाल दी गई है। Notice of the fixed exam dates has been put up on the website.
(pariikshaa kii nishchit taariikhon kii soochnaa vebsaait par daal dii gaii hai।)
Register: Formal -- Mood: Indicative -- Aspect: Perfective -- Tense: Present -- Voice: Passive
अभी हमारा कोई निश्चित प्लान नहीं है, बाद में सोचेंगे। We don't have any fixed plan right now, we'll think about it later.
(abhii hamaaraa koii nishchit plaan nahiin hai, baad men sochenge।)
Register: Casual -- Mood: Indicative -- Tense: Present -- Voice: Active
अनुबंध में एक निश्चित अवधि तक किराया न बढ़ाने की शर्त लिखी थी। In the contract, a condition was written that the rent would not be raised for a fixed period.
(anubandh men ek nishchit avdhi tak kiraayaa n badhaane kii shart likhii thii।)
Register: Formal -- Mood: Indicative -- Aspect: Perfective -- Tense: Past -- Voice: Passive
आप निश्चित समय-सारिणी के अनुसार ही सारा काम पूरा कर लें। Please complete all the work strictly according to the fixed schedule.
(aap nishchit samay-saarinii ke anusaar hii saaraa kaam pooraa kar len।)
Register: Formal -- Mood: Subjunctive -- Voice: Active
जब तक निश्चित समझौता नहीं हो जाता, कोई काम शुरू नहीं होगा। Until a fixed agreement is reached, no work will begin.
(jab tak nishchit samjhautaa nahiin ho jaataa, koii kaam shuroo nahiin hogaa।)
Register: Formal -- Mood: Indicative -- Tense: Future -- Voice: Active
Sense 2 : certain, sure (of a person's mental state or a predicted outcome)
adjective Commonly used with होना (honaa) in the frame X निश्चित है (X nishchit hai, 'X is certain') or with a को-marked person to express personal certainty, e.g. मुझे निश्चित है (mujhe nishchit hai, 'I am certain'), echoing the dative-subject pattern the learner already knows from लगना (lagnaa).
Synonyms: यकीन (yakiin, used predicatively as 'confident/sure', not a strict adjective match), पक्का (pakkaa)
Frequency: medium
Cultural Note: This sense pairs naturally with the dative-subject pattern you already know from लगना (lagnaa) and चाहिए (chaahie) -- certainty, like liking or need, is something that happens *to* you in Hindi's worldview, not something you actively hold.
Common Mistakes: 1) For 'I am certain,' learners sometimes say मैं निश्चित हूँ (main nishchit hoon) by analogy with English 'I am certain' -- while heard colloquially, the more idiomatic native frame is dative: मुझे निश्चित है (mujhe nishchit hai) or मुझे यकीन है (mujhe yakiin hai).
Sample Sentences:
मुझे निश्चित नहीं है कि वह आएगा या नहीं। I'm not certain whether he'll come or not.
(mujhe nishchit nahiin hai ki vah aaegaa yaa nahiin।)
Register: Neutral -- Mood: Indicative -- Tense: Present -- Voice: Active
क्या आपको निश्चित है कि यह सही पता है? Are you sure this is the right address?
(kyaa aapko nishchit hai ki yah sahii pataa hai?)
Register: Neutral -- Mood: Indicative -- Tense: Present -- Voice: Active
हमें निश्चित था कि टीम जीतेगी, पर हार गए। We were certain the team would win, but they lost.
(hamen nishchit thaa ki tiim jiitegii, par haar gae।)
Register: Casual -- Mood: Indicative -- Tense: Past -- Voice: Active
अगर उसे निश्चित होता कि नौकरी मिलेगी, तो वह इतना परेशान न होता। If he were certain he'd get the job, he wouldn't be so worried.
(agar use nishchit hotaa ki naukrii milegii, to vah itnaa pareshaan n hotaa।)
Register: Neutral -- Mood: Counterfactual -- Aspect: Habitual -- Voice: Active
जब तक तुम्हें पूरी बात का पता न चले, तुम्हें निश्चित नहीं होना चाहिए। Until you know the whole story, you shouldn't be certain.
(jab tak tumhen poorii baat kaa pataa n chale, tumhen nishchit nahiin honaa chaahie।)
Register: Neutral -- Mood: Subjunctive -- Tense: Present -- Voice: Active
डॉक्टरों को अभी तक निश्चित नहीं है कि बीमारी की वजह क्या है। The doctors are not yet certain what the cause of the illness is.
(doktron ko abhii tak nishchit nahiin hai ki biimaarii kii vajah kyaa hai।)
Register: Formal -- Mood: Indicative -- Tense: Present -- Voice: Active
मुझे तो निश्चित नहीं था, लेकिन उसे पूरा यकीन था कि सब ठीक हो जाएगा। I wasn't certain, but she was fully confident that everything would turn out fine.
(mujhe to nishchit nahiin thaa, lekin use pooraa yakiin thaa ki sab thiik ho jaaegaa।)
Register: Casual -- Mood: Indicative -- Tense: Past -- Voice: Active
निश्चित रहो, सच्चाई एक दिन सामने आ ही जाएगी। Rest assured, the truth will come out one day.
(nishchit raho, sachchaaii ek din saamne aa hii jaaegii।)
Register: Literary -- Mood: Imperative -- Voice: Active
अगर सबूत मिल जाते, तो पुलिस को निश्चित होने में देर न लगती। If the evidence had turned up, the police wouldn't have taken long to be sure.
(agar saboot mil jaate, to pulis ko nishchit hone men der n lagtii।)
Register: Formal -- Mood: Counterfactual -- Aspect: Habitual -- Voice: Active
उसे इतना निश्चित होकर बात नहीं करनी चाहिए थी, गलत निकली उसकी बात। He shouldn't have spoken with such certainty -- what he said turned out to be wrong.
(use itnaa nishchit hokar baat nahiin karnii chaahie thii, galat niklii uskii baat।)
Register: Neutral -- Mood: Indicative -- Aspect: Perfective -- Tense: Past -- Voice: Active
Sense 3 : certainly, definitely, for sure
adverb Functions as a sentence adverb, often shortened from the fuller निश्चित रूप से (nishchit roop se); placement is flexible, typically before the verb.
Synonyms: ज़रूर (zaroor), निश्चित रूप से (nishchit roop se, fuller phrase), बिल्कुल (bilkul)
Frequency: medium
Cultural Note: You'll hear this in slightly more formal or written assurances -- a doctor, official, or news anchor is more likely to say निश्चित रूप से (nishchit roop se) than the punchier, everyday ज़रूर (zaroor) a friend would use.
Common Mistakes: 1) Learners often default to ज़रूर (zaroor) for 'definitely' and don't realize निश्चित (nishchit) (or निश्चित रूप से (nishchit roop se)) works interchangeably in more formal or written contexts, such as assurances and official statements.
Sample Sentences:
यह दवा निश्चित रूप से आपको आराम देगी। This medicine will definitely give you relief.
(yah davaa nishchit roop se aapko aaraam degii।)
Register: Formal -- Mood: Indicative -- Tense: Future -- Voice: Active
सरकार निश्चित रूप से इस मुद्दे पर जल्द फैसला लेगी। The government will certainly take a decision on this issue soon.
(sarkaar nishchit roop se is mudde par jald phaislaa legii।)
Register: Formal -- Mood: Indicative -- Tense: Future -- Voice: Active
यह घटना निश्चित रूप से जांच का विषय है। This incident is certainly a matter for investigation.
(yah ghatnaa nishchit roop se jaanch kaa vishay hai।)
Register: Formal -- Mood: Indicative -- Tense: Present -- Voice: Active
यदि नियमों का पालन नहीं किया गया, तो निश्चित रूप से कार्रवाई होगी। If the rules are not followed, action will certainly be taken.
(yadi niymon kaa paalan nahiin kiyaa gayaa, to nishchit roop se kaarrvaaii hogii।)
Register: Formal -- Mood: Indicative -- Tense: Future -- Voice: Passive
डॉक्टर ने कहा कि निश्चित रूप से यह बीमारी ठीक हो सकती है। The doctor said that this illness can certainly be cured.
(doktar ne kahaa ki nishchit roop se yah biimaarii thiik ho saktii hai।)
Register: Formal -- Mood: Indicative -- Aspect: Habitual -- Tense: Present -- Voice: Active
अधिकारियों ने निश्चित रूप से इस बात की पुष्टि की है। The officials have definitely confirmed this matter.
(adhikaariyon ne nishchit roop se is baat kii pushti kii hai।)
Register: Formal -- Mood: Indicative -- Aspect: Perfective -- Tense: Present -- Voice: Active
कृपया समय पर पहुँचिए, निश्चित रूप से बैठक शुरू हो जाएगी। Please arrive on time, the meeting will certainly begin.
(kripyaa samay par pahunchie, nishchit roop se baithak shuroo ho jaaegii।)
Register: Formal -- Mood: Imperative -- Tense: Future -- Voice: Active
विशेषज्ञों का मानना है कि निश्चित रूप से जलवायु परिवर्तन का प्रभाव बढ़ रहा है। Experts believe that the impact of climate change is certainly increasing.
(visheshgyon kaa maannaa hai ki nishchit roop se jalvaayu parivartan kaa prabhaav badh rahaa hai।)
Register: Formal -- Mood: Indicative -- Aspect: Continuous -- Tense: Present -- Voice: Active
अगर वह मेहनत करता, तो निश्चित रूप से सफल होता। If he had worked hard, he would certainly have succeeded.
(agar vah mehnat kartaa, to nishchit roop se saphal hotaa।)
Register: Formal -- Mood: Counterfactual -- Aspect: Habitual -- Voice: Active
Morphology
Adjective (invariant)
invariant: निश्चित (nishchit)