falsesmile
nounUK /ˌfɔːls ˈsmaɪl/
US /ˌfɔls ˈsmaɪl/
A false smile is a smile you show when you are not really happy.
She gave a false smile to hide how nervous she felt.
RELATED WORDS
OTHER MEANINGS
2. A smile used to be polite to someone you do not like.
He greeted the new neighbor with a false smile.
3. A smile that hides true feelings such as sadness or anger.
Behind her false smile, she was fighting back tears.
4. A smile put on for a photo or performance rather than felt inside.
The actor wore a false smile for the cameras.