be all smiles
to look happy and friendly, especially when other people are not expecting you to:
She's never been very friendly, but she was all smiles when she asked me to help her with her homework.
Thesaurus: synonyms and related words
Laughing and smiling
- amused
- be in convulsions idiom
- be rolling in the aisles idiom
- be wreathed in smiles idiom
- beam
- beaming
- bust
- gale
- giggle
- giggler
- giggly
- grin
- grin/smile from ear to ear idiom
- simper
- smile
- smiley
- smiling
- smilingly
- smirk
- stitch
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