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millisecond Synonyms
Another word for millisecond
Choosing another word for millisecond that fits your sentence is easier when synonyms and similar words are paired with an exact noun definition and ranked by match strength.
• noun (Context 1)
An extremely brief period of time; an instant.
Usage Example
"For a split second, she hesitated before opening the mysterious letter."
Strongest
split second
nanosecond
Strong
instant
flash
heartbeat
moment
Opposites of millisecond
The opposite of millisecond shifts depending on context. Common opposites include:
eternity
eon
lifetime
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Millisecond. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/millisecond