nir- pref. without [as in निरंकुश, निरंतर, निरर्थक, निराधार, निराशा, निर्जीव, निर्दोष, निर्बल, निर्मल, etc. used before words beginning with a vowel or a voiced consonant: also see नि:, निस्].

nirbal a powerless, weak, feeble [आधार base/ground, व्यक्‍ित person, विचार thoughts]; ~ पड़ना to become weak, to get weakened; ~ बनाया to weaken: वह बुख़ार से ~ पड़ गया है he has been weakened by fever; बुख़ार ने उसे ~ बना दिया है fever has weakened him. [syn. कमज़ोर]

nirbal·tā fu weakness, debility, feebleness; देश या जाति की ~ -- of a country or nation. [syn. कमज़ोरी]

nirbādh a unobstructed, free: ~ गति -- movement; तुम वहाँ ~ जा सकते थे you could freely go there, you could go there unobstructed. [syn. बिना रोक-टोक]