Lock

Key-operated family name

A lock is a device that secures something—a door, a chest, a bicycle—typically opened with a key or combination.

Hair hangs in locks.

A lock on a canal raises or lowering boats between water levels.

To lock is to fasten securely: Lock the door behind you.

To lock in a rate is to guarantee it.

To lock horns is to clash.

A lock can also mean a sure thing: He's a lock for the nomination.

In wrestling, a lock immobilizes an opponent's limb.

security

key

Lock-opening device

combination · keyhole · secure · cylinder · tumbler · pin · mechanism · safeguard · keycard · master key

hair

curl

Spiral or loop form

braid · coil · tendril · wave · forelock · dreadlock · plait · twist · wisp · tuft

mechanism

engage

Actively participate or connect

latch · catch · snap · seal · close · jam · stuck · release · trigger · brake

computing

encrypt

Convert to coded form

database · thread · access control · read-only · authentication · protect · freeze · synchronization · session · account

canal

gate

Hinged barrier in fence

barge · boat · sluice · level · navigation · dam · weir · channel · vessel · hydraulic

wrestling

hold

Maintain in grasp

armlock · headlock · submission · chokehold · pin · restraint · immobilize · takedown · control · squeeze

Opposites
securing action

Lockunlock

Open a secured closure

open · unfasten · unbolt · unlatch · release

state of security

Lockunlocked

Not fastened shut

open · unsecured · unlatched · unfastened · ajar

freedom of movement

Lockunlock

Open a secured closure

release · free · loosen · liberate · untether

Phrases
Family

locks, locked, locking, locker, lockers, locksmith, lockdown, lockout, lockup

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G