Hare-brained(adjective)
Meaning: rash; ill-judged.
Hindi meaning:अविवेकी, बेअक़ल
Synonyms: Reckless, Foolhardy, Madcap, Asinine, Imprudent, Preposterous
Antonyms: Sensible, Intelligent, Prudent, Reasonable
Example: Jumping into the icy water was a harebrained idea.
Trick to remember: brain nhi hai isliye Hare-brained hai. 
