Adjective
1. accomplished rapidly and without delay;
"was quick to make friends""his quick reaction prevented an accident""hoped for a speedy resolution of the problem""a speedy recovery""he has a right to a speedy trial"2. hurried and brief;
"paid a flying visit""took a flying glance at the book""a quick inspection""a fast visit"3. moving quickly and lightly;
"sleek and agile as a gymnast""as nimble as a deer""nimble fingers""quick of foot""the old dog was so spry it was halfway up the stairs before we could stop it"4. apprehending and responding with speed and sensitivity;
"a quick mind""a ready wit"5. performed with little or no delay;
"an immediate reply to my letter""prompt obedience""was quick to respond""a straightaway denial"6. easily aroused or excited;
"a quick temper""a warm temper"