indoor A2 Topic:Describing Qualities Also spelled in-door US /ˈɪndoɹ/ UK /ˈɪndɔː/ See IPA manual Freq #15979 Meanings 1 adj Located inside a building, or used or done inside a building. These fireworks are not for indoor use! Appears in Phrases (1) See all indoor garden a planted area arranged inside a building Adjective + noun Etymology AI details From (with)in + door, first attested 1711. Topics Describing Qualities External links Google Images Cambridge Dictionary Wiktionary # indoor **Type:** Word **Level:** A2 **Part of speech:** adj **IPA (US):** /ˈɪndoɹ/ **IPA (UK):** /ˈɪndɔː/ **Frequency rank:** 15979 ## Meanings 1. Located inside a building, or used or done inside a building. ## Examples - These fireworks are not for indoor use! ## Etymology From (with)in + door, first attested 1711. ## AI Etymology Indoor comes from (with)in + door, first attested 1711. The analysis is mainly morphological: the modern adjectival form is built from the named base and affix. ## Topics - Describing Qualities markdown