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Definitions

effect

[ih-fekt] / ɪˈfɛkt /
NOUN
result
Synonyms
STRONGEST
aftermath consequence development event fallout issue outcome ramification reaction repercussion response side effect
STRONG
aftereffect backlash backwash conclusion corollary denouement end eventuality flak follow-up fruit outgrowth precipitate pursuance reflex sequel sequence spin-off upshot waves
WEAK
can of worms causatum chain reaction end product
Antonyms
STRONGEST
beginning cause origin question source
STRONG
commencement start
WEAK
foundation
NOUN
impact, impression
Synonyms
STRONGEST
action fact force influence meaning power reality sense significance strength use
STRONG
clout drift efficacy efficiency enforcement essence execution implementation import imprint mark purport purpose tenor validity vigor weight
Antonyms
STRONGEST
impotence incapacity incompetence powerlessness weakness
STRONG
disregard failure inefficiency neglect unimportance
WEAK
beginning cause commencement foundation origin source start
VERB
carry out, accomplish
Synonyms
STRONGEST
achieve bring about enact enforce implement realize
STRONG
actualize actuate begin buy cause complete conceive conclude consummate create effectuate execute follow through fulfill generate induce initiate invoke make perform procure produce render secure sell unzip yield
WEAK
bring off bring on carry through do a number do one's thing do the job do the trick do to a T draw on get across get to give rise to make it make waves pull it off put across turn out turn the trick
Antonyms
STRONGEST
fail halt hinder lose neglect stop
STRONG
close deny destroy disallow discourage end finish forget give up ignore miss prevent refuse ruin veto
WEAK
overlook

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Increasing that distance to 100 nanometers reduced the antiviral effect, while spacing of 200 nanometers nearly eliminated it.

From Science Daily • Apr. 22, 2026

One was the effect of limited investment over the past several years in very large crude carriers, or VLCCs, the supertankers that carry two million barrels of oil.

From Barron's • Apr. 22, 2026

The overall effect of the proposal will be to displace veterans, not add housing, said a congressional staffer who is familiar with the issue but not authorized to speak publicly.

From Los Angeles Times • Apr. 22, 2026

The 50-year-old, a seven-time world champion, used a different cue on Wednesday to the one he played with on Tuesday, and both had the same dominant effect.

From BBC • Apr. 22, 2026

Clearly, the bird’s-eye view was having its desired effect.

From "The Interrupted Tale" by Maryrose Wood

Vocabulary lists containing effect

Jim Burke's Academic Vocabulary List

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Academic Vocabulary: Core Tier 2 Words, List 1

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TEKS ELAR Academic Vocabulary List (5th-7th grades)

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