Word Type

Verb

Adjective

Adjective

The word "secure" can be used as verb, adjective and adjective.

Word Relationships

Opposites (Antonyms)

insecure insecure

Derived Terms

biosecure countersecure cybersecure food-secure nonsecure oversecure oversecure resecure securability securable securance secure arms securely securement secureness securonomics self-secure supersecure ultrasecure unsecure unsecure

Etymologically Related To

sicker

Broader Terms (Hypernyms)

attach beef up close fill up fortify guarantee obtain strengthen verify vouch

Narrower Terms (Hyponyms)

computationally secure fail-secure secure by design selfsecure

Manner Of

guarantee

Related Terms

security

Related Terms

anxiety attack danger discovery doubt eavesdropping fail financial firm fixed interception invulnerable loss protected reliable risk safe secret security stable theft unafraid

Similar Terms

assured assured fail safe fail-safe firm firm fixed guarantee invulnerable protected safe sound steady steady sure sure tight tight vouch

Synonym Network

batten dependable fasten guarantee plug procure unattackable

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.