snappy

Synonyms: cross disagreeable edgy fractious hasty huffy petulant quick-tempered snappish tart testy touchy waspish

Antonyms: happy nice pleasant

Synonyms: chic classy dapper dashing fly in good taste modish natty sharp smart stylish swank tony trendy upto-the-minute with style

Antonyms: old old-fashioned outdated unfashionable

Synonyms: abrupt breakneck expeditious fleet harefooted hasty immediate instant on-the-spot quick rapid speedy sudden swift unpremeditated

Antonyms: delayed slow sluggish