safety nut safety net • safety paper · · · Info · Definitions · Synonyms · Characters · · safety nut · · Text Common · · Latin · · Scripts 10 · · Length 4 · · Syllables Definitions · · · (noun) supplementary nut that is screwed down on a primary nut to prevent it from loosening. Synonyms: locknut, safety nut. · · Noun Definition 1 Synonyms · · · locknut · · Synonym 1 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 n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079