दिलचस्पी (dilchaspii)

noun A single-sense noun meaning 'interest' -- the mental engagement or curiosity one has in a topic, activity, or person. Persian-origin compound (dil + chaspii, 'heart' + 'attachment/sticking'), very common in everyday speech.
Sense 1 : interest (in a subject, activity, or person)
noun, feminine Typically appears with लेना (lenaa, 'to take interest') or होना (honaa, 'to have interest'), and takes में (men) to mark the topic: किसी चीज़ में दिलचस्पी (kisii chiiz men dilchaspii, 'interest in something').
Synonyms: रुचि (ruchi), दिलचस्पी (dilchaspii), शौक (shauk, leans toward 'hobby/enthusiasm')
Frequency: high
Cultural Note: दिलचस्पी (dilchaspii) literally carries 'dil' (heart) inside it, so Hindi frames interest as something the heart sticks to, rather than a purely mental state as in English. In everyday Delhi speech you will hear both दिलचस्पी लेना (dilchaspii lenaa, to take interest, more active/deliberate) and दिलचस्पी होना (dilchaspii honaa, to have interest, more passive/inherent) -- the choice subtly shifts whether the interest feels like an effort or a natural inclination.
Common Mistakes: 1) Learners often say दिलचस्पी है (dilchaspii hai) alone without में (men) marking the topic -- you need मुझे संगीत में दिलचस्पी है (mujhe sangiit men dilchaspii hai, 'I am interested in music'), not मुझे संगीत दिलचस्पी है. 2) The subject who feels interest is marked with को (ko) (often contracted to मुझे (mujhe), उसे (use), etc.), not with ने (ne) -- it behaves like पसंद होना (pasand honaa) or अच्छा लगना (achchhaa lagnaa).
Sample Sentences:
मुझे संगीत में बहुत दिलचस्पी है। I have a lot of interest in music.
(mujhe sangiit men bahut dilchaspii hai।)
Register: Neutral -- Mood: Indicative -- Tense: Present -- Voice: Active
वह हमेशा नई तकनीकों में दिलचस्पी लेता है। He always takes an interest in new technologies.
(vah hameshaa naii takniikon men dilchaspii letaa hai।)
Register: Neutral -- Mood: Indicative -- Aspect: Habitual -- Tense: Present -- Voice: Active
पहले उसे राजनीति में कोई दिलचस्पी नहीं थी। Earlier he had no interest in politics.
(pahle use raajniiti men koii dilchaspii nahiin thii।)
Register: Neutral -- Mood: Indicative -- Tense: Past -- Voice: Active
क्या तुम्हें इस प्रोजेक्ट में दिलचस्पी है? Do you have any interest in this project?
(kyaa tumhen is projekt men dilchaspii hai?)
Register: Casual -- Mood: Indicative -- Tense: Present -- Voice: Active
प्लीज़, अपने काम में थोड़ी दिलचस्पी लो। Please, take a little interest in your work.
(pliiz, apne kaam men thodii dilchaspii lo।)
Register: Casual -- Mood: Imperative -- Voice: Active
अगर उसे पढ़ाई में दिलचस्पी होती, तो वह ज़रूर टॉप करता। If he had had interest in studies, he would surely have topped.
(agar use padhaaii men dilchaspii hotii, to vah zaroor top kartaa।)
Register: Neutral -- Mood: Counterfactual -- Aspect: Habitual -- Voice: Active
मुझे यकीन नहीं कि उसे सच में इस मामले में दिलचस्पी हो। I'm not sure if he really has any interest in this matter.
(mujhe yakiin nahiin ki use sach men is maamle men dilchaspii ho।)
Register: Neutral -- Mood: Subjunctive -- Voice: Active
इस विषय में लोगों की दिलचस्पी दिन-ब-दिन बढ़ रही है। People's interest in this subject is increasing day by day.
(is vishay men logon kii dilchaspii din-b-din badh rahii hai।)
Register: Formal -- Mood: Indicative -- Aspect: Continuous -- Tense: Present -- Voice: Active
उसने अचानक इस काम में दिलचस्पी दिखाई। He suddenly showed interest in this work.
(usne achaanak is kaam men dilchaspii dikhaaii।)
Register: Neutral -- Mood: Indicative -- Aspect: Perfective -- Tense: Past -- Voice: Active
सरकार द्वारा इस योजना में दिलचस्पी ली जा रही है। Interest is being taken in this scheme by the government.
(sarkaar dvaaraa is yojnaa men dilchaspii lii jaa rahii hai।)
Register: Formal -- Mood: Indicative -- Aspect: Continuous -- Tense: Present -- Voice: Passive
बचपन से ही उसकी दिलचस्पी विज्ञान में रही है। Ever since childhood, his interest has been in science.
(bachpan se hii uskii dilchaspii vigyaan men rahii hai।)
Register: Neutral -- Mood: Indicative -- Aspect: Perfective -- Tense: Present -- Voice: Active
Morphology
Noun
(sg.f.direct): दिलचस्पी (dilchaspii)
(sg.f.oblique): दिलचस्पी (dilchaspii)
(pl.f.direct): दिलचस्पियाँ (dilchaspiyaan)
(pl.f.oblique): दिलचस्पियों (dilchaspiyon)