Synonyms of ultra

ultra

adjective

ˈəl-trə 

as in extreme

being very far from the center of public opinion

espouses a kind of ultra conservatism that even some members of his own party cannot support

Synonyms & Similar Words

• extreme
• radical
• rabid
• revolutionary
• fanatic
• extremist
• violent
• subversive
• revolutionist
• wild
• reactionary

Antonyms & Near Antonyms

• conservative
• moderate
• traditional
• conventional
• middle-of-the-road
• temperate
• nonrevolutionary
• unrevolutionary
• progressive
• orthodox
• liberal

Example Sentences

Recent Examples of ultra

Moreover, its ultra-low infrared emissivity suppresses thermal radiation, hiding objects from heat-seeking cameras. — Mrigakshi Dixit, Interesting Engineering, 21 Sep. 2026

The second in a trilogy of ultra-luxe spec homes being created by designer and developer Ramtin Ray Nosrati along Donhill Drive in Beverly Hills is now available for $35 million. — Wendy Bowman, Robb Report, 21 Sep. 2026

But that adds an additional layer of complexity to the M5 Ultra, which now combines two of those dual-die M5 Max chips while pushing the limits of unified memory and maintaining ultra-high-speed, low-latency connections between those dies. — Brian Westover, PC Magazine, 21 Sep. 2026

According to state data from last year, ultra-small elementary schools include Glen Alta in Montecito Heights (55 students); Ann Street in Chinatown (71); Annandale in Eagle Rock (78) and Hillside in Lincoln Heights (96). — Andrew J. Campa, Los Angeles Times, 20 Sep. 2026

Phrases Containing ultra

• ne plus ultra