gasbag
2 synonyms for gasbag, grouped by meaning and by how common each one is.
Noun — A large bag that holds gas, for example inside a hot-air balloon.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Made up of gas plus bag.
Full origin of gasbag →