unprepossessing

[[t]ʌ̱npriːpəze̱sɪŋ[/t]]

ADJ-GRADED

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. [FORMAL]

We found the tastiest and most imaginative paella and tapas in the most unprepossessing bars and cafés.