safe has 7 distinct synonyms spread across 2 of its 7 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. Its 2 recorded opposites are dangerous, out.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
strongbox where valuables can be safely kept
1 of the 7 recorded senses carries no synonym, antonym or related term, so it is not shown above. Every sense, with its definition and examples, is on the full entry for safe.
Synonyms, antonyms and the broader and narrower relations for safe come from Princeton University’s WordNet. Full sources and licences.
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse