thenceforth C2+ Topic:Time US /ˌðɛnsˈfɔrθ/ UK /ˌðɛnsˈfɔːθ/ See IPA manual Meanings 1 adv from that time onward He signed the treaty, and thenceforth the two nations kept the peace. Thesaurus Synonyms 1 adv · from that time onward thereafterhenceforthafterwardsubsequentlythenceforward ↔ Opposites beforehandpreviously Word family Related forms thencehenceforthforththenceforward Etymology AI details A compound of thence ('from that time') + forth ('forward'), formed in Middle English. thennes Middle English forth Middle English View etymology graph -> Topics Time External links Cambridge Dictionary Wiktionary Google Images # thenceforth **Type:** Word **Level:** C2+ **Part of speech:** adv **IPA (US):** /ˌðɛnsˈfɔrθ/ **IPA (UK):** /ˌðɛnsˈfɔːθ/ ## Meanings 1. from that time onward ## Examples - He signed the treaty, and thenceforth the two nations kept the peace. ## Synonyms - thereafter - henceforth - afterward - subsequently - thenceforward ## Antonyms - beforehand - previously ## Related Forms - thence - henceforth - forth - thenceforward ## Roots and Affixes - Root: thennes - Root: forth ## Etymology A compound of thence ('from that time') + forth ('forward'), formed in Middle English. ## AI Etymology Thenceforth is a compound of thence ('from that time') + forth ('forward'), formed in Middle English. Important recorded forms include thennes (Middle English) and forth (Old English). Morphologically, the word preserves a built structure whose named elements carry the historical sense into English. The modern sense continues the older lexical line without requiring a separate origin. In current use it covers from that time onward. The wider family includes related words such as thence, henceforth, forth, and thenceforward. ## Topics - Time markdown