untimeliness untimedness • untimely · · · Info · Definitions · Synonyms · Antonyms · Characters · · untimeliness · · Text Latin · · Script 12 · · Length Definitions · · · (noun) being at an inappropriate time. Synonyms: unseasonableness. · · Noun Definition 1 (noun) the quality of occurring at an inconvenient time. Synonyms: inopportuneness. · · Noun Definition 2 Synonyms · · · unseasonableness · · Synonym 1 inopportuneness · · Synonym 2 Antonyms · · · seasonableness · · Antonym 0 timeliness · · Antonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D 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