Synonyms of important

important

adjective

1

as in major

having great meaning or lasting effect

the discovery of penicillin was a very important event in the history of medicine

Synonyms & Similar Words

• major
• significant
• historic
• big
• meaningful
• much
• substantial
• tectonic
• exceptional
• monumental
• momentous
• pivotal
• distinguished
• remarkable
• eventful
• consequential
• crucial
• noteworthy
• decisive
• outstanding
• notable
• prominent
• material
• valuable
• distinctive
• great
• earthshaking
• strategic
• earth-shattering
• serious
• weighty
• worthy
• seminal
• worthwhile
• impressive
• key
• essential
• fatal
• critical
• famous
• fateful
• earnest
• vital
• sincere
• prestigious
• central
• eminent
• all-important
• illustrious
• grave
• noble
• notorious
• renowned
• heavy
• preeminent

Antonyms & Near Antonyms

• unimportant
• small
• trivial
• insignificant
• little
• minor
• negligible
• inconsequential
• inconsiderable
• slight
• trifling
• worthless
• petty
• unknown
• obscure
• paltry
• anonymous
• nameless
• uncelebrated

2

as in influential

having great power or influence

Rachel Carson was an important figure in the environmental movement

Synonyms & Similar Words

• influential
• significant
• powerful
• strong
• prominent
• potent
• mighty
• senior
• heavy-duty
• outstanding
• great
• heavy
• top
• effective
• distinguished
• notable
• efficient
• able
• famous
• capable
• celebrated
• noteworthy
• puissant
• dominant
• high-level
• competent
• prestigious
• renowned
• robust
• notorious
• illustrious
• eminent
• dynamic
• vigorous
• noble
• famed
• authoritarian
• autocratical
• magisterial
• energetic
• despotic
• autocratic
• tyrannical
• dictatorial
• forceful
• preeminent
• tyrannic
• high-powered

Antonyms & Near Antonyms

• unimportant
• little
• insignificant
• weak
• powerless
• helpless
• impotent
• feeble
• unknown
• flimsy
• obscure
• infirm
• frail
• anonymous
• ineffective
• incapable
• unfit
• nameless
• incompetent
• unqualified
• unskilled
• inept
• uncelebrated
• unskillful
• inexpert

3

as in arrogant

having a feeling of superiority that shows itself in an overbearing attitude

an important businessman who always expects special treatment wherever he goes

Synonyms & Similar Words

• arrogant
• superior
• dominant
• cavalier
• masterful
• proud
• domineering
• assumptive
• dominating
• high-and-mighty
• uppity
• pretentious
• presumptuous
• bumptious
• uppish
• hifalutin
• supercilious
• presuming
• huffish
• toplofty
• pompous
• imperious
• sniffy
• haughty
• high-hat
• lofty
• smug
• huffy
• high-handed
• toploftical
• authoritarian
• peremptory
• highfalutin
• chesty
• patronizing
• self-assertive
• overweening
• vain
• magisterial
• saucy
• bossy
• impudent
• disdainful
• snobbish
• pontifical
• condescending
• egotistical
• lordly
• stiff-necked
• snobby
• self-asserting
• boastful
• vainglorious
• impertinent
• egocentric
• egoistical
• bombastic
• snooty
• narcissistic
• cocky
• complacent
• uninhibited
• self-affected
• hubristic
• conceited
• self-centered
• egotistic
• blusterous
• egoistic
• prideful
• bragging
• braggy
• pontificating
• self-pleased
• swaggering
• immodest
• forward
• self-applauding
• extraverted
• extroverted
• blustery
• self-complacent
• self-satisfied
• unreserved
• stuck-up
• self-flattering
• orgulous
• brash
• self-conceited
• self-loving
• braggart
• self-promoting

Antonyms & Near Antonyms

• modest
• humble
• unpretentious
• lowly
• timid
• subdued
• shy
• shrinking
• passive
• bashful
• introverted
• diffident
• unarrogant
• unobtrusive
• sheepish
• compliant
• unassuming
• deferential
• quiet
• demure
• mousy
• submissive
• unaggressive
• meek
• overmodest
• yielding
• acquiescent
• unassertive
• self-critical
• reserved
• retiring
• cringing
• mousey
• self-doubting
• cowering

4

as in proud

having too high an opinion of oneself

oh, you're so important—you think the world revolves around you

Synonyms & Similar Words

• proud
• smug
• vain
• arrogant
• confident
• consequential
• egotistical
• selfish
• domineering
• egoistical
• vainglorious
• assured
• self-important
• complacent
• biggety
• conceited
• egotistic
• egoistic
• prideful
• bigheaded
• pompous
• biggity
• swellheaded
• self-satisfied
• stuck-up
• superior
• fastuous
• self-conceited
• overweening
• masterful
• snobbish
• bombastic
• assumptive
• boastful
• toplofty
• cavalier
• high-and-mighty
• uppity
• snobby
• cocky
• braggy
• bragging
• bumptious
• uppish
• toploftical
• supercilious
• disdainful
• snooty
• pontifical
• blusterous
• pretentious
• overconfident
• self-opinionated
• hifalutin
• haughty
• high-hat
• swaggering
• presuming
• presumptuous
• huffy
• blustery
• self-assertive
• lofty
• self-confident
• high-handed
• imperious
• holier-than-thou
• chesty
• self-assured
• peremptory
• braggart
• patronizing
• highfalutin
• self-affected
• self-centered
• condescending
• self-applauding
• self-gratulatory
• lordly
• self-adulatory
• self-contented
• self-asserting
• self-engrossed
• self-dramatizing
• self-glorifying
• self-congratulatory
• self-promoting

Antonyms & Near Antonyms

• modest
• humble
• diffident
• egoless
• timid
• self-critical
• uncomplacent
• meek
• unassertive
• unassuming
• unpretentious
• self-reproachful
• down-to-earth
• self-distrustful
• self-reproving
• shrinking
• self-doubting
• introverted
• shy
• bashful
• retiring
• sheepish
• unarrogant
• overmodest
• mousy
• demure
• mousey

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an important issue

a serious issue

an urgent issue

a relevant issue

a major issue

a critical issue

important differences

significant differences

considerable differences

substantial differences

notable differences

crucial differences

an important contribution

a major contribution

an invaluable contribution

a valuable contribution

a vital contribution

a key contribution

an important role

an integral role

an influential role

a vital role

an essential role

a necessary role

important implications

major implications

serious implications

considerable implications

huge implications

meaningful implications