cocky Antonyms

abashed tentative timid timorous unassuming uncertain red-faced bootlicking arse-licking bum-sucking unsure overaged put upon townie apple-polishing arse kissing brown nosing brownnosing sheepish shamefast shamefaced agitated antiquated appalled arse ashamed awkward blushing chagrined chastened coy embarrassed humbled modest mortified scary self-conscious selfless buttering up