airlift has 1 distinct synonym spread across 2 of its 2 senses. Each sense below keeps its own list, because a synonym belongs to a meaning and not to a word: swapping one sense's substitute into another sense's sentence is how a thesaurus makes writing worse. WordNet records no antonym for it — antonymy is a relation between word forms rather than concepts, so it is deliberately sparse.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
transportation of people or goods by air (especially when other means of access are unavailable)
fly people or goods to or from places not accessible by other means
“Food is airlifted into Bosnia”
Synonyms, antonyms and the broader and narrower relations for airlift come from Princeton University’s WordNet. Full sources and licences.