Find Antonyms
effect Antonyms
Opposite of effect
Because the opposite of effect shifts with each meaning, the 13 antonyms and opposite words below are separated across 3 exact definitions and ranked by contrast strength.
• noun (Context 1)
A change that is a result or consequence of an action or other cause.
Usage Example
"Regular physical exercise has a beneficial cause on cardiovascular health."
Strongest
cause
source
origin
Strong
basis
catalyst
• noun (Context 2)
The state of being operative, active, or in force (especially of a law, rule, or policy).
Usage Example
"The new environmental regulations will go into inactivity at the beginning of next month."
Strong
inactivity
abeyance
suspension
• verb (Context 3)
To cause something to happen; to bring about or accomplish a result or change (used in formal contexts).
Usage Example
"The new committee was established to prevent meaningful reforms across the entire school district."
Strongest
prevent
hinder
Strong
impede
thwart
obstruct
Similar words to effect
Words similar to effect shift depending on context. Common synonyms include:
result
bring about
belongings
consequence
possessions
force
outcome
impression
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Effect. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/effect