Entry 1 sense Webster, 1913 Littleness · Lit·tle·ness · IPA 01 n. The state or quality of being little; as, littleness of size, thought, duration, power, etc. 1. The state or quality of being little; as, littleness of size, thought, duration, power, etc. Syn. Smallness; slightness; inconsiderableness; narrowness; insignificance; meanness; penuriousness.