English Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition plain in British English

plain adverb

adverb
/pleɪn/

▪ crazy, daft, rude, selfish, silly, stupid, wrong

1

used for emphasizing that someone or something has a particular negative quality

Example

It was just plain stupid of him to get involved.

Example

That's just plain crazy!

Synonyms and related words
Definition plain in British English