Home›Browse›A›auxiliary verbauxiliary verbOur editors are putting together more complete content — check back in about 20 minutesauxiliary verbauxiliary verb — verbverb1. a verb used with another verb to show tense, mood, etc.1.verbDefinitiona verb used with another verb to show tense, mood, etc.ExampleIn 'She can swim,' 'can' is an auxiliary verb.