← BackshareGuesspeacockish/ˈpiːkɑkɪʃ/adjectiveHaving or showing a vain, showy, or proud manner, like a peacock.The actor's peacockish strut made him look arrogant.She wore a peacockish dress covered in sequins and feathers.His peacockish behavior at the party annoyed everyone.SynonymsvainproudshowyostentatiousAntonymshumblemodest