up in the air. idiom. Add to word list. If a matter is up in the air, it is uncertain, often because other matters have to be decided first: The whole future of the project is still up in the air. SMART Vocabulary: related words and phrases.
Up In The Air synonyms - 496 Words and Phrases for Up In The Air Lists synonyms antonyms definitions sentences thesaurus words phrases idioms Parts of speech adjectives Tags ambiguity uncertainty vague suggest new unresolved adj. # uncertainty unsettled adj. # uncertainty in the balance adj. # uncertainty uncertain adj. # uncertainty iffy adj.