Synonyms of infinitesimal

infinitesimal

adjective

(ˌ)in-ˌfi-nə-ˈte-sə-məl 

as in tiny

very small in size

a soft drink with only an infinitesimal amount of caffeine

Synonyms & Similar Words

• tiny
• minuscule
• microscopic
• small
• miniature
• atomic
• teensy
• weeny
• teeny
• bitty
• wee
• bitsy
• little
• teensy-weensy
• teeny-weeny
• itty-bitty
• little bitty
• minute
• microminiature
• diminutive
• baby
• micro
• smallish
• petite
• model
• dwarf
• mini
• pocket-size
• insignificant
• elfin
• puny
• pygmy
• Lilliputian
• pocket
• half-pint
• dinky
• dwarfish
• scrubby
• undersized
• minikin
• pint-size

Antonyms & Near Antonyms

• enormous
• huge
• massive
• immense
• tremendous
• cosmic
• gigantic
• large
• colossal
• astronomical
• prodigious
• monumental
• substantial
• giant
• planetary
• monstrous
• major
• heroic
• mountainous
• considerable
• mammoth
• herculean
• titanic
• big
• great
• monster
• sizable
• extensive
• gross
• good
• grand
• goodly
• handsome
• hefty
• elephantine
• bulky
• super
• whopping
• overgrown
• jumbo
• oversize
• infinite
• stupendous
• formidable
• staggering
• vast
• imposing
• majestic
• monolithic
• outsize
• lofty
• grandiose
• immeasurable
• largish
• towering
• boundless
• voluminous
• hulking
• overscale
• bumper
• king-size
• cavernous
• whacking
• vasty

Example Sentences

Recent Examples of infinitesimal

That’s why instances of undocumented immigrants voting are infinitesimal. — Linh Tat, Oc Register, 5 May 2026

Mathematicians can construct a form of calculus without infinity, for instance, cutting infinitesimal limits out of the picture entirely. — Quanta Magazine, 29 Apr. 2026

But consider for a moment what autonomous vehicles actually do that only an infinitesimal number of Maryland drivers actually manage. — John Seng, Baltimore Sun, 30 Mar. 2026

The chances of that are infinitesimal, he’s told. — Natalie Oganesyan, Deadline, 23 Mar. 2026

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