quick

nouns

any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail)
is a type of (narrower)
a part of an animal that has a special function or is supplied by a given artery or nerve
"in the abdominal region"

adjectives

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"
is derived from
hurried and brief
"paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"
is derived from
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"
is derived from
is derived from
apprehending and responding with speed and sensitivity
"a quick mind"; "a ready wit"
is derived from
performed with little or no delay
"an immediate reply to my letter"; "a prompt reply"; "was quick to respond"; "a straightaway denial"
is derived from
easily aroused or excited
"a quick temper"; "a warm temper"
is derived from

adverbs

with little or no delay
"the rescue squad arrived promptly"; "come here, quick!"