roughen B1 Topic:Actions & Processes US /ˈɹʌfən/ UK /ˈrʌfən/ See IPA manual Freq #178480 Meanings 1 verb to make a surface rough or rougher Roughen the wood lightly so the glue can form a stronger bond. 2 verb to become rough, uneven, or turbulent The sea began to roughen as the wind strengthened. Verb forms Verb forms are not available for this word yet. Thesaurus Synonyms 1 verb · to make a surface rough or... coarsenabrade 2 verb · to become rough, uneven, or... coarsenchurn ↔ Opposites smoothpolish Word family Forms roughened Derived forms roughenerroughened Related forms roughroughnesstexture Etymology Formed in English from rough + -en, the verb-forming suffix meaning 'to make or become'. Topics Actions & Processes External links Google Images Cambridge Dictionary Wiktionary # roughen **Type:** Word **Level:** B1 **Part of speech:** verb **IPA (US):** /ˈɹʌfən/ **IPA (UK):** /ˈrʌfən/ **Frequency rank:** 178480 ## Meanings 1. to make a surface rough or rougher 2. to become rough, uneven, or turbulent ## Examples - Roughen the wood lightly so the glue can form a stronger bond. - The sea began to roughen as the wind strengthened. ## Synonyms - coarsen - abrade ## Antonyms - smooth - polish ## Derived Forms - roughener - roughened ## Related Forms - rough - roughness - texture ## Etymology Formed in English from rough + -en, the verb-forming suffix meaning 'to make or become'. ## Topics - Actions & Processes markdown