had best


Also found in: Thesaurus, Idioms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.had best - act in one's own or everybody's best interest; "You will do well to arrive on time tomorrow!"
act, move - perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"