effective

The word “effective” has 3 syllables: ef-fec-tive

It's pronounced as /ɪˈfɛktɪv/

What is synonym and antonym for effective?

In the thesaurus, “effective” has 137 synonyms and 93 antonyms.

Here are synonyms and antonyms for effective along with examples of usage in sentences.

Synonyms for effective

able
absolute
accomplished
active
actual
adept
adequate
applicable
attested
authentic
authenticated
authoritative
believable
big-wheel
bona fide
capable
certain
certifiable
certified
cogent
compelling
competent
conclusive
concrete
confirmed
consummate
convincing
current
de facto
decisive
definitive
demonstrated
direct
dynamic
effectual
efficacious
efficient
emphatic
energetic
established
existent
experienced
expert
factual
feasible
final
forceful
forcible
fruitful
functional
genuine
hard
having lead in pencil
hyperefficient
important
impressive
in effect
in execution
in force
in operation
incontestable
incontrovertible
indisputable
indubitable
inescapable
irrefutable
killer
literal
live
masterly
material
moving
objective
on the ball
operative
palpable
persuasive
pertinent
playing hardball
positive
potent
powerful
powerhouse
practicable
practical
practiced
practised
producing
productive
proficient
proven
real
real-life
real-world
realistic
realizable
relevant
resultant
satisfying
serviceable
serving
significant
skilled
skillful
sound
striking
strong
substantial
substantiated
successful
sure-enough
tangible
telling
trenchant
true
ultraefficient
undeniable
unmistakable
unquestionable
usable
useable
useful
valid
validated
verifiable
verified
versed
very
veteran
virtuoso
virtuous
weighty
well-founded
wicked
workable
working
yielding

Antonyms for effective

abortive
abstract
alleged
assumed
bootless
chimeric
chimerical
conceived
conjectural
counterproductive
empty
envisaged
envisioned
fabled
fabricated
fake
fanciful
feeble
fictional
fictitious
fruitless
futile
groundless
helpless
hollow
hypothetical
ideal
idle
illusory
imaginary
imagined
immaterial
impotent
inactive
inadequate
incapable
incompetent
inconclusive
inconsequential
indecisive
ineffective
ineffectual
inefficient
inexistent
inexperienced
inexpert
inoperative
insignificant
insufficient
invalid
invented
irrelevant
legendary
made-up
make-believe
nonexistent
pictured
platonic
pointless
possible
potential
pretend
reputed
romantic
shaky
supposed
suppositional
symbolic
theoretic
theoretical
unable
unavailing
uncompelling
unconvincing
unfounded
unfruitful
unimportant
unpersuasive
unproductive
unprofitable
unqualified
unreal
unseasoned
unskilled
unskillful
unsound
unsuccessful
useless
vain
virtual
visualized
weak
worthless

Meanings of effective

noun
1. A soldier fit for duty.
adjective
1. Having the power to produce a required effect or effects.
2. Producing a decided or decisive effect.
3. Efficient, serviceable, or operative, available for useful work.
4. Actually in effect.
5. (of a cycle or divisor) Having no negative coefficients.
6. (for any effective theory) approximate; Not describing the fundamental dynamic changes in some system as they happen.

Example Sentences

Effective communication is crucial for building strong relationships.
The new treatment has proven to be highly effective in combating the virus.
She implemented several effective strategies to improve sales performance.
An effective leader knows how to motivate and inspire their team.
Regular exercise is key to maintaining an effective fitness routine.

On this page you'll find 230 synonyms, antonyms, or another words to effective, such as: able, abortive, absolute, abstract, accomplished, active, actual.

Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.