Synonyms of secure in English:

secure


See definition of secure

adjective

1‘check to ensure that all nuts and bolts are secure’

SYNONYMS
tight, firm, taut, fixed, secured, done up
closed, shut, locked, sealed
ANTONYMS

loose, unlocked

2‘make sure that the ladder you are working on is secure’

SYNONYMS
stable, fixed, secured, fast, safe, steady, immovable, unshakeable, dependable
anchored, moored, jammed, rooted, braced, cemented, riveted, nailed, tied
strong, sturdy, solid, sound
ANTONYMS

precarious, rocky

3‘jars kept secure in a pantry may survive for several generations’

SYNONYMS
protected from danger, protected from harm, free from danger, sheltered, shielded, guarded, unharmed, undamaged, safe and sound, safe, out of harm's way, in a safe place, in safe hands, invulnerable, immune, impregnable, unassailable
at ease, unworried, reassured, relaxed, happy, comfortable, confident
ANTONYMS

vulnerable, threatened, unsettled

4‘few young people face a secure future’

SYNONYMS
certain, assured, reliable, dependable, settled, fixed, established, solid, sound
ANTONYMS

uncertain, insecure


verb

1‘pins secure the handle to the main body’

SYNONYMS
fix, attach, fasten, affix, link, hitch, join, connect, couple, bond, append, annex, stick, pin, tack, nail, staple, clip

2‘the doors had not been properly secured’

SYNONYMS
fasten, close, shut, lock, bolt, chain, seal, board up

3‘Athens was seeking to secure herself from a lightning invasion from the west’

SYNONYMS
protect, make safe, make sound, make invulnerable, make immune, make impregnable, fortify, strengthen, shelter, shield, guard

4‘he killed the engine, then leapt out to secure the boat’

SYNONYMS
tie up, moor, make fast, lash, hitch, berth
anchor

5‘a written constitution would secure the rights of the individual’

SYNONYMS
assure, ensure, insure, guarantee, warrant, protect, indemnify, confirm, establish

6‘the company has already secured two million pounds' worth of business’

SYNONYMS
obtain, acquire, gain, get, find, come by, pick up, procure, get possession of
buy, purchase
informal get hold of, land, get one's hands on, lay one's hands on, get one's mitts on
ANTONYMS

lose, let slip