1 hook /ˈhʊk/ noun
plural hooks
1 hook
plural hooks
Learner's definition of HOOK
: a curved or bent tool for catching, holding, or pulling something
: a ball or shot in golf and other games that curves to the side instead of going straight
boxing : a punch coming from the side of the body instead of going straight forward compare jab, uppercut
basketball : hook shot
baseball, informal used to describe the action of removing a pitcher from a game
: something (such as part of a song) that attracts people's attention

by hook or by crook

: by any possible means

hook, line and sinker

: without hesitation or doubt : completely

off the hook

informal used to describe someone who has avoided trouble or punishment usually used with get or let
of a telephone : with the receiver not resting in its usual position

on the hook for

US, informal
: owing money for (something) : responsible for (something)

ring off the hook

see 3ring

sling your hook

see 1sling
2 hook /ˈhʊk/ verb
hooks; hooked; hooking
2 hook
hooks; hooked; hooking
Learner's definition of HOOK
always followed by an adverb or preposition
[+ object] : to connect or attach (something) with a hook
[no object] : to be attached by hooks
[+ object] : to catch (something, such as a fish) with a hook
always followed by an adverb or preposition, [+ object] : to bend (a part of your body, such as an arm) and place it around something
[no object] : to curve like a hook
sports : to hit or kick (a ball or shot) in a way that causes it to curve to the side : to hit a hook
[+ object]
[no object]

hook into

[phrasal verb]
hook into (something) informal
: to become connected to (something, such as a computer network or a source of electrical power)

hook up

[phrasal verb]
informal : to join together to do something often + with
chiefly US, informal : to meet at a place often + with
hook (someone) up chiefly US, informal
: to cause (someone) to have a friendly or romantic relationship with someone
: to provide (someone) with something that is needed or wanted usually + with
hook up (something or someone) or hook (something or someone) up : to attach (something or someone) to a device by means of electrical connections
see also hookup