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]