Added 10 October 2026 undercurrent /ˈʌndəkʌɹ(ə)nt/ noun Categories: Mind & IdeasActionsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about undercurrent at Wordnik → Where our words come from → A current of water which flows under the surface, and often in a different direction from surface currents. A tendency of feeling or opinion that is concealed rather than exposed. The meeting was pervaded with an undercurrent of dread, as the managers tried not to admit that firings were looming. verb To flow under some surface. Related Words: undertideundertonegroundswellbackdropimplicationbackgroundunderswellunderstreamsubcurrentunderwatersubterraindowncurrent Back to today's word