be lost on sb
If a joke or remark is lost on someone, they do not understand it.
Thesaurus: synonyms and related words
Useless and futile
- a mug's game idiom
- adrift
- aimless
- airy-fairy
- be at a loose end idiom
- fool's errand
- for the hell of it idiom
- frivolous
- fruitless
- futile
- motiveless
- negate
- no good idiom
- nugatory
- ornamental
- use
- useless
- vain
- vainly
- what good is ... idiom
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You can also find related words, phrases, and synonyms in the topics:
Difficult to understand