lengthen length • lengthener · · · Info · Definitions · Antonyms · Characters · · lengthen · · Text Latin · · Script 8 · · Length Definitions · · · (verb) make longer. Example: "Lengthen this skirt, please." · · Verb Definition 1 (verb) become long or longer. Example: "In spring, the days lengthen." · · Verb Definition 2 Antonyms · · · shorten · · Antonym 0 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E t latin small letter t U+0074