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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.

It is unclear how the vessel secured safe passage and the ship's owners have not yet commented.

From BBC • Apr. 4, 2026

This categorization didn’t constitute a formal regulation; rather the agency was using its discretion not to go after compounders who used ingredients it deemed safe — those from the first category.

From Salon • Apr. 4, 2026

But the AI boom has made their old advice of picking a safe major and pursuing a stable career feel a lot less certain.

From The Wall Street Journal • Apr. 4, 2026

Ordinary money-market funds and dividend-focused stock funds both pay close to 3.5% now, and safe, short-term bonds, closer to 4%, versus the S&P 500’s yield of just 1%.

From Barron's • Apr. 3, 2026

The safe door sprang open, just a crack.

From "Found" by Margaret Peterson Haddix

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.