nightie C2+ Topic:Register & Style US /ˈnaɪti/ UK /ˈnaɪti/ See IPA manual Meanings 1 noun a woman's or child's nightgown (informal) She padded to the kitchen in her flannel nightie. Thesaurus Synonyms 1 noun · a woman's or child's... nightgownnightdressnegligeenightshirt Word family Related forms nightnightgownnightdress Etymology AI details A 19th-century informal diminutive of nightgown or nightdress, from night + the familiar suffix -ie. niht Old English View etymology graph -> Topics Register & Style General Vocabulary External links Cambridge Dictionary Wiktionary Google Images # nightie **Type:** Word **Level:** C2+ **Part of speech:** noun **IPA (US):** /ˈnaɪti/ **IPA (UK):** /ˈnaɪti/ ## Meanings 1. a woman's or child's nightgown (informal) ## Examples - She padded to the kitchen in her flannel nightie. ## Synonyms - nightgown - nightdress - negligee - nightshirt ## Related Forms - night - nightgown - nightdress ## Roots and Affixes - Root: niht ## Etymology A 19th-century informal diminutive of nightgown or nightdress, from night + the familiar suffix -ie. ## AI Etymology Nightie has this etymological development: A 19th-century informal diminutive of nightgown or nightdress, from night + the familiar suffix -ie. The etymological trail includes Old English niht. The same word family includes night, nightgown, nightdress. Its current noun use means "a woman's or child's nightgown (informal)". ## Topics - Register & Style - General Vocabulary markdown