Find Synonyms

lock Synonyms

Another word for lock

Choosing another word for lock depends on context, so the 31 synonyms and similar words below are separated across 6 exact definitions and ranked by match strength.
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• noun (Context 1)

A mechanical or electronic fastening device that is released by a physical object, by supplying secret information, or by a combination of both.

Usage Example

"She turned the heavy brass key in the padlock and slowly pushed the wooden door open."

Strong
padlock
deadbolt
bolt
latch
Weak
fastener
catch

• verb (Context 2)

To fasten or secure something (such as a door, window, or container) with a mechanical or electronic locking device.

Usage Example

"Please remember to bolt the front door and arm the security system before you leave."

Strongest
bolt
Strong
fasten
lock up
secure
latch
padlock
bar

• noun (Context 3)

A piece, curl, or small section of hair that hangs together.

Usage Example

"A stray tress of dark hair fell across his forehead as he bent over the document."

Strongest
tress
Strong
curl
ringlet
strand
wisp
tuft

• verb (Context 4)

To become firmly fixed, jammed, or incapable of moving.

Usage Example

"The gears on my older bicycle tend to jam if I try to shift them too rapidly on a steep hill."

Strongest
jam
seize up
seize
Strong
freeze
stick
bind
catch

• verb (Context 5)

To interlock, clasp, or entangle firmly together.

Usage Example

"The peaceful protesters locked arms to form an unbreakable human chain across the entrance."

Strongest
interlock
link
Strong
clasp
entwine
intertwine
join
grapple

• noun (Context 6)

A section of a canal or river that is closed off by gates, used to raise or lower boats between different water levels.

Usage Example

"The narrowboat slowly rose as water flooded into the floodgate from the upstream gates."

Weak
floodgate
sluice

Opposites of lock

The opposite of lock shifts depending on context. Common opposites include:

unlock
unbolt
unlink
unclasp
unlatch
unfasten
separate
disengage
See all opposites of lock

Cite this Entry


Wordmom. (2026). Synonyms for Lock. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/lock
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