To be hesitant about doing something or to refuse to do it.
Hindi meaning:जी चुराना, अनिच्छा दिखाना
Synonyms: Disapprove, Repudiate, Spurn, Refuse, Reluctant
Antonyms: Approve, Consent, Agree
Example: My dog balked at leaving the park.
Trick to remember: Bulk me kam aa gya to Balk at karne lge.
