Added 10 October 2026 undertone /ˈʌndə(ɹ)təʊn/ noun Categories: LanguageMind & IdeasRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about undertone at Wordnik → Where our words come from → An auditory tone of low pitch or volume. An implicit message perceived subtly alongside, but not detracting noticeably from, the explicit message conveyed in or by a book, film, speech or similar (contrast with overtone); an undercurrent. A pale colour, or one seen underneath another colour. verb To accompany as an undertone. To say or speak in an undertone. To present as less important, noticeable or prominent. Related Words: tingeundercurrentnuancetwisttinthueringtonetonetomyoursubtoneintertone Back to today's word