shelf life shelf ladder • shelflike · · · Info · Definitions · Characters · · shelf life · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) the length of time a packaged food or drug will last without deteriorating. Synonyms: shelf life. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C s latin small letter s U+0073