n. The act of hesitating; a pausing or delay in determining or acting; suspension of judgment or decision from uncertainty of mind; a state of doubt.n. An irregular involuntary pausing in speech; awkward or embarrassed interruption of speech; stammering.n. Synonyms Hesitation, Hesitancy; wavering, suspense, uncertainty, doubt, vacillation; faltering. Hesitation is perhaps more often used for the act of hesitating, hesitancy generally for the spirit, character, or frame of mind. Hesitation is more common.