Synonyms of gaseous

gaseous

adjective

ˈga-sē-əs 

as in rhetorical

marked by the use of impressive-sounding but mostly meaningless words and phrases

a pompous professor known for his gaseous lectures that often put students to sleep

Synonyms & Similar Words

• rhetorical
• inflated
• gassy
• pontifical
• flatulent
• bombastic
• oratorical
• fustian
• ornate
• windy
• grandiloquent
• orotund
• turgid
• elevated
• bloated
• pompous
• pretentious
• grandiose
• florid
• flowery
• stilted
• lofty
• high-sounding
• verbose
• tumid
• wordy
• high-flown
• highfalutin
• overdone

Antonyms & Near Antonyms

• eloquent
• direct
• unrhetorical
• plain
• unaffected
• simple
• matter-of-fact
• bald
• unadorned
• unpretentious
• straightforward
• well-spoken
• stark
• plainspoken

Example Sentences

Recent Examples of gaseous

One leading theory suggests that a large fraction of their total mass consists of gaseous envelopes composed of hydrogen and helium. — Chris Young july 30, Refractor, 30 July 2026

The problem with all those experiments was that the small, densely gaseous chambers used in the lab are nothing like your home. — Leanne Potts, Better Homes & Gardens, 30 July 2026

After validating the liquid Hydrogen Fuel System, the company completed testing of the Fuel Cell Hydrogen System, which supplies gaseous hydrogen to the fuel cell. — Maria Mocerino, Interesting Engineering, 26 July 2026

The sun’s brilliant disk is fully blocked, and the ethereal wisps of the corona—the sun’s gaseous atmosphere—come fully into view. — Phil Plait, Scientific American, 17 July 2026