मालूम नहीं (maaloom nahiin)
phrase
A common phrase meaning 'I don't know' or 'not known' -- built from मालूम (maaloom, 'known') plus the negator नहीं (nahiin); usually paired with a को-marked experiencer (e.g. मुझे मालूम नहीं (mujhe maaloom nahiin, 'I don't know')).
Sense
1
:
I don't know / not known
phrase Functions as a dative-subject construction: the knower takes को (or its pronoun form), and मालूम (maaloom) behaves like an adjective describing what is or isn't 'known' to that person, with नहीं (nahiin) negating it. The subject is very often dropped entirely in casual speech, leaving just मालूम नहीं (maaloom nahiin) as a standalone reply.
Synonyms: पता नहीं (pataa nahiin), मुझे नहीं पता (mujhe nahiin pataa), ज्ञात नहीं (gyaat nahiin, formal/literary)
Frequency: high
Cultural Note: This is one of the most-used hedging phrases in daily Hindi -- rickshaw drivers, shopkeepers, and friends alike toss out मालूम नहीं (maaloom nahiin) or पता नहीं (pataa nahiin) with a shrug when they genuinely don't know or don't want to commit to an answer. It pairs with the same dative-subject logic you've already seen in पसंद है (pasand hai) and चाहिए (chaahie) -- in Hindi, knowledge 'is' or 'isn't' to you, rather than something you 'do'.
Common Mistakes: 1) Learners try to make मालूम (maaloom) 'agree' or conjugate like a verb -- it stays invariant here since the real predicate structure is the को-experiencer plus the adjective-like मालूम (maaloom), not a verb taking an object. 2) Overusing मालूम नहीं (maaloom nahiin) in every 'I don't know' context: पता नहीं (pataa nahiin) is the more everyday, casual default in Delhi speech, while मालूम नहीं (maaloom nahiin) can sound slightly more formal or deliberate depending on tone. 3) Forgetting that the experiencer takes को/मुझे-type marking, not ने -- learners who have just learned ने-marking sometimes wrongly reach for it here since the sentence describes a mental state.
Sample Sentences:
मुझे मालूम नहीं वो कहाँ गया है।
I don't know where he has gone.
(mujhe maaloom nahiin vo kahaan gayaa hai।)
मालूम नहीं, शायद कल आए।
I don't know, maybe he'll come tomorrow.
(maaloom nahiin, shaayad kal aae।)
उसे मालूम नहीं था कि मीटिंग कैंसिल हो गई थी।
He didn't know that the meeting had been cancelled.
(use maaloom nahiin thaa ki miiting kainsil ho gaii thii।)
यार, मुझे तो कुछ मालूम नहीं, चालक से पूछ लो।
Man, I have no idea, ask the driver.
(yaar, mujhe to kuchh maaloom nahiin, chaalak se poochh lo।)
अगर मुझे मालूम होता, तो मैं तुम्हें पहले बता देता।
If I had known, I would have told you earlier.
(agar mujhe maaloom hotaa, to main tumhen pahle bataa detaa।)
क्षमा करें, मुझे इस बारे में कुछ भी मालूम नहीं है।
I'm sorry, I don't know anything about this.
(kshamaa karen, mujhe is baare men kuchh bhii maaloom nahiin hai।)
क्या तुम्हें मालूम नहीं कि वो शादी कर रही है?
Don't you know that she's getting married?
(kyaa tumhen maaloom nahiin ki vo shaadii kar rahii hai?)
मुझे मालूम नहीं रहेगा कि उस दिन क्या हुआ था।
I won't know what happened that day.
(mujhe maaloom nahiin rahegaa ki us din kyaa huaa thaa।)
पुलिस को अभी तक मालूम नहीं कि चोर कौन था।
The police still don't know who the thief was.
(pulis ko abhii tak maaloom nahiin ki chor kaun thaa।)
अरे भाई, मुझे क्या मालूम, मैं तो नया हूँ यहाँ।
Hey man, how would I know, I'm new here.
(are bhaaii, mujhe kyaa maaloom, main to nayaa hoon yahaan।)
उन्हें मालूम नहीं होगा कि हम आ रहे हैं।
They probably don't know that we're coming.
(unhen maaloom nahiin hogaa ki ham aa rahe hain।)