English Thesaurus

Synonyms of 'sustain'

(verb) 
Definition
to maintain or continue for a period of time
He has sustained his fierce social conscience.
Synonyms
maintain
You should always maintain your friendships.
,
continue
Outside the hall, people continued their vigil.
,
keep up
,
prolong
He said foreign military aid was prolonging the war.
,
keep going
,
keep alive
,
protract
The appearance of a rebel splinter group will merely protract the civil war.
(verb) 
Definition
to suffer (an injury or loss)
Every aircraft in there has sustained some damage.
Synonyms
suffer
The peace process has suffered a serious blow now.
,
experience
couples who have experienced the trauma of divorce
,
undergo
New recruits have been undergoing training in recent weeks.
,
feel
He was still feeling pain from a stomach injury.
,
bear
She bore her sufferings bravely.
,
endure
He'd endured years of pain and sleepless nights because of arthritis.
,
withstand
A politician has to be able to withstand criticism from the Press.
,
bear up under
(verb) 
Definition
to keep up the strength or energy of (someone)
I am sustained by letters of support.
Synonyms
help
If you're not willing to help me, I'll find somebody who will.
,
aid
a software system to aid managers in decision-making
,
comfort
He put his arm round her, trying to comfort her.
,
foster
She fostered a fierce ambition.
,
assist
a chemical that assists in the manufacture of proteins
,
relieve
a programme to relieve poor countries
,
nurture
Seema's interest in literature was nurtured by her parents.
(verb) 
Definition
to keep up the strength or energy of (someone)
not enough food to sustain a mouse
Synonyms
keep alive
,
nourish
The food the mother eats nourishes both her and her baby.
,
provide for
(verb) 
Definition
to support (something) from below
The magnets have lost the capacity to sustain the weight.
Synonyms
support
the thick wooden posts that supported the ceiling
,
carry
This horse can't carry your weight.
,
bear
The ice was not thick enough to bear the weight of marching men.
,
keep up
,
uphold
upholding the artist's right to creative freedom
,
keep from falling
(verb) 
Definition
to support or agree with (a decision or statement)
The court sustained his objection.
Synonyms
uphold
The crown court upheld the magistrate's decision.
,
confirm
Mrs Suarez is due to be confirmed as President on Friday.
,
endorse
I can endorse this statement wholeheartedly.
,
approve
MPs approved the bill by a majority of 97.
,
ratify
They have yet to ratify the treaty.
,
verify
The government has not verified any of these reports.
,
validate
Give the retailer your winning ticket to validate.

Additional synonyms

in the sense of aid
Definition
to help financially or in other ways
a software system to aid managers in decision-making
Synonyms
be of service to,
lend a hand to,
give a leg up to (informal)
in the sense of approve
Definition
to authorize or agree to
MPs approved the bill by a majority of 97.
Synonyms
agree to,
go along with,
consent to,
buy into (informal),
rubber stamp,
give the go-ahead to (informal),
give the green light to,
assent to,
concur in,
greenlight,
O.K. or okay (informal)
in the sense of assist
a chemical that assists in the manufacture of proteins
Synonyms
aid,
speed up,
pave the way for,
make easy,
oil the wheels,
smooth the path of,
assist the progress of

See related content

NEW from Collins!
NEW from Collins!
English Word Lists
English Word Lists
Latest Word Submissions
Latest Word Submissions
Easy Learning English Grammar
Easy Learning English Grammar
COBUILD Grammar Patterns
COBUILD Grammar Patterns
Word Lover's Blog
Word Lover's Blog
Online Scrabble Checker
Online Scrabble Checker
The Paul Noble Method
The Paul Noble Method

Video: pronunciation of 'sustain'

Source

Thesaurus for sustain from the Collins English Thesaurus
Life on the edge
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?
Read more
Study guides for every stage of your learning journey
Whether you're in search of a crossword puzzle, a detailed guide to tying knots, or tips on writing the perfect college essay, Harper Reference has you covered for all your study needs.
Read more
Create an account and sign in to access this FREE content
Register now or login in to access