Find Synonyms
instantly Synonyms
Another word for instantly
Choosing another word for instantly depends on context, so the 10 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• adverb (Context 1)
At once; immediately; without any delay.
Usage Example
"The new software update resolved the system error immediately."
Strongest
immediately
instantaneously
at once
right away
straightaway
Strong
forthwith
promptly
on the spot
directly
• conjunction (Context 2)
As soon as; the moment that.
Usage Example
"She recognized his voice immediately he began to speak."
Strongest
immediately
directly
Strong
once
Opposites of instantly
The opposite of instantly shifts depending on context. Common opposites include:
eventually
later
gradually
ultimately
slowly
belatedly
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Instantly. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/instantly