safety hat safety harness • safety hoist · · · Info · Definitions · Synonyms · Characters · · safety hat · · Text Common · · Latin · · Scripts 10 · · Length 4 · · Syllables Definitions · · · (noun) a lightweight protective helmet (plastic or metal) worn by construction workers. Synonyms: hard hat, tin hat, safety hat. · · Noun Definition 1 Synonyms · · · hard hat · · Synonym 1 tin hat · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079