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

Renovated in 2005 at a cost of $8 million, the intimate 17-room hotel displays the trappings of Europe’s grandest hotels, starting with an impressive foyer with a Murano glass chandelier shaped like Constantin Brancusi’s infinity column. — Condé Nast, Condé Nast Traveler, 4 Aug. 2026

Hidden behind high lava rock walls, an infinity saline pool is lined with shaded sun loungers and in-water chaises. — Ben Davidson, Mercury News, 3 Aug. 2026

The year was 2012, and my Brandy Melville infinity-sign T-shirt and American Apparel chiffon maxi skirt were apparently glued to my body. — Sophie Dodd, Travel + Leisure, 1 Aug. 2026

Outdoors, the setting comes with an infinity-edge pool, a swim-up bar, covered terraces and multiple entertaining areas designed to take advantage of the lake-and-golf-course backdrop. — David Caraccio updated July 31, Sacbee.com, 31 July 2026