English Thesaurus

Synonyms of 'powerful'

(adjective) 
Definition
having great power or influence
You're a powerful woman – people will listen to you.
Synonyms
influential
one of the most influential books ever written
,
dominant
controlled by the dominant class
,
controlling
,
commanding
Right now you're in a very commanding position.
,
supreme
The group conspired to seize supreme power.
,
prevailing
individuals who have gone against the prevailing opinion
,
sovereign
No contract can absolutely restrain a sovereign power.
,
authoritative
The first authoritative study was published in 1840.
,
puissant
,
skookum (Canadian)
Opposites
(adjective) 
Definition
having great physical strength
a big, powerful man
Synonyms
strong
Around its summit, a strong wall had been built.
,
strapping
He was a bricklayer - a big, strapping fellow.
,
mighty
a mighty young athlete
,
robust
His robust physique counts for much in the modern game.
,
vigorous
He was a vigorous, handsome young man.
,
potent
The treatment is extremely potent, but can have unpleasant side-effects.
,
energetic
Two-year-olds can be incredibly energetic.
,
sturdy
She was a short, sturdy woman in her early sixties.
,
stalwart
I was never in any danger with my stalwart bodyguard around me.
Opposites
, , ,
debilitated
, , , , , , , , , ,
weakly
,
(adjective) 
Definition
extremely effective
a powerful and fast-acting drug
Synonyms
effective
Antibiotics are effective against this organism.
,
hard
He gave her a hard push which toppled her backwards.
,
strong
The evidence that such investment promotes growth is strong.
Opposites
(adjective) 
tiny flowers with a powerful scent
Synonyms
intoxicating
intoxicating liquor
,
strong
It's a good strong flavour, without being overpowering.
,
heady
heady with the smell of flowers and blossom.
(adjective) 
He had a deep, powerful voice.
Synonyms
loud
Suddenly there was a loud bang.
,
booming
The ginger man had a large booming voice.
,
resounding
She got a resounding round of applause.
,
sonorous
`Doctor McKee?' the man called in an even, sonorous voice.
,
stentorian
He bellowed in a stentorian voice.
Opposites
(adjective) 
a powerful drama about a corrupt city leader
Synonyms
persuasive
a persuasive argument against reform
,
convincing
Scientists say there is no convincing evidence for this theory.
,
effective
You can't make an effective argument if all you do is stridently voice your opinion.
,
telling
How a man shaves is a telling clue to his age.
, ,
striking
She was a striking woman with long blonde hair.
,
storming
,
dramatic
the film's dramatic special effects
,
impressive
The film's special effects are particularly impressive.
,
compelling
He puts forward a compelling argument against the culling of badgers.
, ,
forceful
This is a forceful argument for joining them.
, ,
forcible
He is a forcible advocate for the arts.
,
cogent
He makes a cogent argument for a more egalitarian education system.
,
effectual
the most effectual means of preserving peace
(adjective) 
in the grip of a powerful emotion
Synonyms
intense
She is more adult, and more intense than I had imagined.
,
strong
Having strong unrequited feelings for someone is hard.
,
burning
I had a burning ambition to become a journalist.
,
keen
a keen sense of loyalty
,
violent
his violent, almost pathological jealousy
,
acute
His back is arched as if in acute pain.
,
overwhelming
She felt an overwhelming desire to laugh out loud.
, ,
fierce
Two climbers were trapped by a fierce storm.
,
passionate
He made a passionate speech about his commitment to peace.
,
irresistible
It proved an irresistible temptation to go back.
,
overpowering
The desire for revenge can be overpowering.
,
ardent
an ardent lover
,
fervent
a fervent admirer of her work
,
fervid

Additional synonyms

in the sense of acute
His back is arched as if in acute pain.
in the sense of ardent
Definition
passionate
an ardent lover
in the sense of authoritative
Definition
possessing authority
The first authoritative study was published in 1840.

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Video: pronunciation of 'powerful'

Related Terms of 'powerful'

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Thesaurus for powerful from the Collins English Thesaurus
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The desire to push the boundaries has been a motivator in many a daring expedition, testing the human spirit and physical abilities to the utmost. Indulge your adventurous spirit by exploring some associated ‘extreme’ vocabulary. Will you have the survival skills to master our quiz?
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