Added 9 October 2026 indention /ɪnˈdɛn.ʃən/ noun Categories: LanguageRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about indention at Wordnik → Where our words come from → The space left between the margin and the start of an indented line. Related Words: indentationindentinginsertunderlineleadingnotchblank Back to today's word