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

The current version runs on compressed gaseous hydrogen, which is limited by tank volume and energy density. — Omar Kardoudi may 11, New Atlas, 11 May 2026

The process typically starts with the conversion of uranium oxide into stable gaseous uranium hexafluoride, or UF6, followed by a centrifuge technique that separates the three isotopes by mass. — Stephanie Pappas, Scientific American, 23 Apr. 2026

The plastic traps ethylene, a gaseous hormone that celery (and other plant life) naturally produces, which hastens its ripening. — Randi Gollin, Martha Stewart, 5 Apr. 2026

For example, many of the spacecraft operators want gaseous nitrogen (GN2) on hand during launches. — Richard Tribou, The Orlando Sentinel, 4 Apr. 2026