assure B2 Topic:Actions & Processes US /əˈʃɔː(ɹ)/ See IPA manual Freq #2751 Meanings 1 verb To tell someone something confidently so they feel less worried. I assured them that traveling there was safe. 2 verb To promise that something will definitely happen. They assured me they would be at the meeting. 3 verb To make something certain or secure. Careful planning helped assure the success of the event. Thesaurus Synonyms 1 verb · to tell someone something... reassuretell 2 verb · to promise that something... promise Word family Forms assuredassuresassuring Derived forms assurorover-assured Related forms assuranceensureinsurereassure Etymology AI details From Old French asseurer (Modern French assurer), from Latin ad- + securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure. asseurer Old French ad- Latin View etymology graph -> Topics Actions & Processes External links Cambridge Dictionary Wiktionary Google Images # assure **Type:** Word **Level:** B2 **Part of speech:** verb **IPA (US):** /əˈʃɔː(ɹ)/ **Frequency rank:** 2751 ## Meanings 1. To tell someone something confidently so they feel less worried. 2. To promise that something will definitely happen. 3. To make something certain or secure. ## Examples - I assured them that traveling there was safe. - They assured me they would be at the meeting. - Careful planning helped assure the success of the event. ## Derived Forms - assuror - over-assured ## Related Forms - assurance - ensure - insure - reassure ## Roots and Affixes - Root: asseurer - Root: ad- ## Etymology From Old French asseurer (Modern French assurer), from Latin ad- + securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure. ## AI Etymology Assure is from Old French asseurer (Modern French assurer), from Latin ad- plus securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure. The formation is semantically transparent: the parts remain visible, while the compound or affix fixes the grammatical role and narrows the modern meaning. In use as a verb, assure denotes to tell someone something confidently so they feel less worried, to promise that something will definitely happen, and to make something certain or secure. The same word family continues in derived forms such as assuror and over-assured and related entries such as assurance, ensure, insure, and reassure. ## Topics - Actions & Processes markdown