flatten B1 Topic:Cause, Change & Process US /ˈflætn/ UK /ˈflætn/ See IPA manual Freq #22545 Meanings 1 verb to make something flat or flatter, or to become flat or flatter Use a rolling pin to flatten the dough into a thin disc. 2 verb to knock down or destroy something by force The storm flattened several trees beside the road. 3 verb to stop rising, falling, or changing so quickly Demand began to flatten after the holiday rush. 4 verb in music, to lower a note by one semitone The arranger chose to flatten the final note of the phrase. Thesaurus Synonyms 1 verb · to make something flat or... levelsmoothpress flat 2 verb · to knock down or destroy... knock downdemolishlevel 3 verb · to stop rising, falling, or... level offstabilizeplateau 4 verb · in music, to lower a note... lower ↔ Opposites raiseinflatesteepen Word family Forms flattenedflattening Derived forms flattenableflattener Related forms flatflatnesslevel Common collocations flatten out Verb + adverb Etymology Formed in English from flat + the verb-forming suffix -en, with the literal sense 'make or become flat'. Topics Cause, Change & Process External links Cambridge Dictionary Wiktionary Google Images # flatten **Type:** Word **Level:** B1 **Part of speech:** verb **IPA (US):** /ˈflætn/ **IPA (UK):** /ˈflætn/ **Frequency rank:** 22545 ## Meanings 1. to make something flat or flatter, or to become flat or flatter 2. to knock down or destroy something by force 3. to stop rising, falling, or changing so quickly 4. in music, to lower a note by one semitone ## Examples - Use a rolling pin to flatten the dough into a thin disc. - The storm flattened several trees beside the road. - Demand began to flatten after the holiday rush. - The arranger chose to flatten the final note of the phrase. ## Synonyms - level - smooth - press flat - knock down - demolish - level off - stabilize ## Antonyms - raise - inflate - steepen ## Derived Forms - flattenable - flattener ## Related Forms - flat - flatness - level ## Etymology Formed in English from flat + the verb-forming suffix -en, with the literal sense 'make or become flat'. ## Topics - Cause, Change & Process markdown