In a manner that shows refusal, hesitation, or reluctance to proceed or cooperate.
From 'balking' (present participle of balk) plus the adverbial suffix '-ly,' creating an adverb that describes how something is done reluctantly.
This adverb is rare because modern English prefers 'reluctantly' or 'hesitantly'—showing how some perfectly logical word formations fade away as simpler alternatives become popular.
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