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

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

The solution for this is to construct a new gaseous nitrogen system to supplement the existing capacity, but the $25 million project is currently unfunded. — Eric Berger, ArsTechnica, 22 June 2026

Liquid and gaseous wastes are primarily regulated under pollution-control laws. — Aman Kumar, Encyclopedia Britannica, 14 May 2026