Synonyms of 'unprepossessing'
We found the tastiest tapas in the most unprepossessing bars.
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Unattractive people and things are unpleasant in appearance.
I'm 27, have a good job and I'm not unattractive.
not tempting, alluring, or attractive
The restaurant looked dilapidated and uninviting.
Thesaurus for unprepossessing from the Collins English Thesaurus
If you describe someone or something as unprepossessing , you mean that they look rather plain or ordinary , although they may have good or special qualities that are hidden .