Meanings
verbflatten out (third-person singular simple present flattens out, present participle flattening out, simple past and past participle flattened out)
present singular third person flattens out · participle present flattening out · participle past flattened out · past flattened out
- To make flat (something rough, folded or bumpy).
- idiomaticTo become more even.
- slangTo win a fight, usually by punching someone until they are knocked over.
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Māori takapapa, tūhāngai
- takapapato make something flat
- tūhāngaito make something flat
Polish spłaszczać, spłaszczyć
- spłaszczaćto make something flat
- spłaszczyćto make something flat
- rozpłaszczaćto make something flat
- rozpłaszczyćto make something flat
Russian сглаживать
- сглаживать (sglaživatʹ)to make something flat
Cite this entry
APA
flatten out. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/flatten%20out
MLA
“flatten out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flatten%20out. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “flatten out,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/flatten%20out.
Source: flatten out on Wiktionary, CC BY-SA 4.0.