From Longman Dictionary of Contemporary Englishso-soˈso-so ●●○ adjective, adverb spoken GOOD ENOUGHneither very good nor very bad SYN average ‘How was the party?’ ‘Oh, so-so.’
Examples from the Corpus
so-so• "How are you feeling?" "Oh, so-so."• The hotel was in a lovely location, but the facilities were only so-so.• a so-so movie 