Find Synonyms
sudden Synonyms
Another word for sudden
Choosing another word for sudden depends on context, so the 20 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• adjective (Context 1)
Occurring, happening, or done quickly and unexpectedly, without warning.
Usage Example
"A abrupt change in the weather forced the hikers to seek shelter immediately."
Strongest
abrupt
unexpected
unforeseen
Strong
unanticipated
unlooked-for
swift
rapid
instantaneous
surprise
precipitous
• adjective (Context 2)
Marked by haste, rashness, or lack of due deliberation.
Usage Example
"They regretted making such a hasty decision to sell the family business."
Strongest
hasty
rash
impulsive
Strong
impetuous
precipitate
hurried
rushed
snap
headlong
ill-considered
Opposites of sudden
The opposite of sudden shifts depending on context. Common opposites include:
gradual
deliberate
expected
considered
anticipated
foreseen
cautious
careful
Cite this Entry
Wordmom. (2026). Synonyms for Sudden. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/sudden