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infinitesimally Synonyms
Another word for infinitesimally
Choosing another word for infinitesimally that fits your sentence is easier when synonyms and similar words are paired with an exact adverb definition and ranked by match strength.
• adverb (Context 1)
To an extremely or immeasurably small degree; in a manner that is almost imperceptible.
Usage Example
"The odds of two snowflakes forming the exact same molecular structure are microscopically small."
Strongest
microscopically
minutely
Strong
imperceptibly
negligibly
fractionally
Opposites of infinitesimally
The opposite of infinitesimally shifts depending on context. Common opposites include:
infinitely
immensely
vastly
immeasurably
enormously
tremendously
massively
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Infinitesimally. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/infinitesimally