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Dictionary.com
Definitions

safe

[seyf] / seɪf /
ADJECTIVE
free from harm
Synonyms
STRONGEST
intact protected secure
STRONG
okay snug
WEAK
cherished free from danger guarded home free impervious impregnable in safety inviolable invulnerable maintained out of danger out of harm's way preserved safe and sound safeguarded sheltered shielded sitting pretty tended unassailable undamaged under lock and key under one's wing unharmed unhurt uninjured unmolested unscathed unthreatened vindicated watched
Antonyms
STRONGEST
insecure unprotected
WEAK
dangerous exposed harmful incautious poisonous risky unguarded unsafe unthoughtful vulnerable
ADJECTIVE
not dangerous
Synonyms
STRONGEST
certain clear dependable harmless healthy pure reliable secure
STRONG
innocent sound
WEAK
checked competent decontaminated innocuous innoxious inoffensive neutralized nonpoisonous nontoxic risk-free riskless tame tried-and-true trustworthy uninjurious unpolluted wholesome
Antonyms
STRONGEST
indefinite irresponsible uncertain undecided unfixed unreliable unsure
WEAK
dangerous exposed harmful incautious poisonous risky unguarded unprotected unsafe unthoughtful vulnerable
ADJECTIVE
cautious, conservative
Synonyms
STRONGEST
dependable prudent realistic reliable sure
WEAK
buttoned-up calculating careful chary circumspect competent considerate discreet gingerly guarded on safe side trustworthy unadventurous wary
Antonyms
STRONGEST
irresponsible uncertain unreliable unsteady unsure
WEAK
dangerous exposed harmful incautious poisonous risky unguarded unprotected unsafe unthoughtful vulnerable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Valaris crew kept the first two rabbits safe in the radio room before they were taken back to the Aquarius to return to Aberdeen.

From BBC • Apr. 22, 2026

The lesson is that a beloved technical insider running a hardware company through a platform shift is not always a safe bet.

From MarketWatch • Apr. 22, 2026

Collins said the cover, which spans roughly 10 acres, is to ensure safe, reliable drinking water and to maintain the facility while the department considers long-term options to replace the floating cover method.

From Los Angeles Times • Apr. 22, 2026

And they could only leave after forking out a toll for safe passage.

From Barron's • Apr. 22, 2026

Here, in this snow cave, where he was safe.

From "Wolf Brother" by Michelle Paver