Synonyms of infinity

infinity

noun

in-ˈfi-nə-tē 

as in perpetuity

endless time

it seemed as though that meeting might extend into infinity

Synonyms & Similar Words

• perpetuity
• eternity
• foreverness
• everlasting
• endlessness
• permanence
• boundlessness
• limitlessness
• timelessness
• permanency
• interminableness

Antonyms & Near Antonyms

• impermanence
• transience
• transitoriness
• ephemerality
• temporariness

Example Sentences

Recent Examples of infinity

The four thematic worlds included Earth, Water, Light and Sky, ranging from natural pigments and raw textures to fluidity and transparency; shimmer and light shadows, while the sky evoked infinity with voluminous and atmospheric surfaces. — Mayu Saini, Footwear News, 16 Sep. 2026

The new exhibition spans through several rooms before going up an escalator lined with mirrors to reach the infinity room installation one floor up. — ABC News, 9 Sep. 2026

Kelly’s version, however, becomes a philosophical infinity mirror. — Carlos Aguilar, Los Angeles Times, 28 Aug. 2026

Yayoi Kusama, whose obsessive repetitions of dots and nets became a means of expressing infinity, leaving an indelible mark on contemporary art worldwide, died on August 14 of multiple organ failure at a hospital in Tokyo. — Tessa Solomon For Artnews, Robb Report, 28 Aug. 2026