Synonyms of earnest

earnest 1 of 2

adjective

ˈər-nəst 

as in solemn

not joking or playful in mood or manner

I'll accept only an earnest apology from you

Synonyms & Similar Words

• solemn
• serious
• stern
• professional
• sober
• humorless
• unsmiling
• severe
• po-faced
• staid
• sedate
• harsh
• distinguished
• no-nonsense
• grave
• strict
• weighty
• sobersided
• uncomic
• businesslike
• serious-minded
• grim
• dignified
• gloomy
• elevated

Antonyms & Near Antonyms

• playful
• humorous
• facetious
• flippant
• joking
• jocular
• funny
• light
• ridiculous
• flip
• ludic
• comical
• kittenish
• hysterical
• comic
• riotous
• hilarious
• ludicrous
• droll
• farcical
• uproarious
• laughable
• risible
• antic
• frivolous
• lighthearted
• jesting
• screaming
• goofy
• puerile
• foolish
• scatterbrained
• harebrained
• silly
• absurd
• mad
• flighty
• fatuous
• preposterous
• sidesplitting
• insane
• unwise
• zany
• nutty
• crazy
• sappy
• witless
• wacky
• loony
• light-headed
• balmy
• senseless
• nonsensical
• daffy
• kooky
• jerky
• cuckoo
• asinine
• cockeyed
• daft
• brainless
• featherbrained
• weak-minded
• screwball
• half-witted
• dotty

earnest

2 of 2

noun

as in intentness

a mental state free of jesting or trifling

I am in deadly earnest about this marriage proposal

Synonyms & Similar Words

• intentness
• earnestness
• gravity
• seriousness
• solemnity
• decisiveness
• solemnness
• soberness
• attentiveness
• purposefulness
• graveness
• intensity
• deliberation
• sobriety
• staidness
• resolve
• serious-mindedness
• determination
• resoluteness
• gravitas
• concentration
• immersion
• humorlessness
• absorption
• engrossment
• firmness
• enthrallment

Antonyms & Near Antonyms

• play
• flippancy
• frivolity
• levity
• facetiousness
• lightheartedness
• frivolousness
• lightness
• superficiality
• flightiness
• shallowness
• lightness
• unseriousness
• dalliance
• dilettantism
• mirth
• cheerfulness
• merriment
• glee
• gaiety
• high-spiritedness

Synonym Chooser

How is the word earnest different from other adjectives like it?

Some common synonyms of earnest are grave, sedate, serious, sober, solemn, and staid. While all these words mean "not light or frivolous," earnest suggests sincerity or often zealousness of purpose.

an earnest reformer

In what contexts can grave take the place of earnest?

The words grave and earnest can be used in similar contexts, but grave implies both seriousness and dignity in expression or attitude.

read the proclamation in a grave voice

When is it sensible to use sedate instead of earnest?

The synonyms sedate and earnest are sometimes interchangeable, but sedate implies a composed and decorous seriousness.

remained sedate amid the commotion

Where would serious be a reasonable alternative to earnest?

The words serious and earnest are synonyms, but do differ in nuance. Specifically, serious implies a concern for what really matters.

a serious play about social injustice

When can sober be used instead of earnest?

In some situations, the words sober and earnest are roughly equivalent. However, sober stresses seriousness of purpose and absence of levity or frivolity.

a sober look at the state of our schools

When might solemn be a better fit than earnest?

Although the words solemn and earnest have much in common, solemn suggests an impressive gravity utterly free from levity.

a sad and solemn occasion

When is staid a more appropriate choice than earnest?

While the synonyms staid and earnest are close in meaning, staid suggests a settled, accustomed sedateness and prim self-restraint.

a quiet and staid community

Example Sentences

Recent Examples of earnest

Adjective

The Abbott Elementary actor plays Sheriff Mark Mylow, a deeply earnest man who is dealing with a broken heart after school teacher Louisa Gavin (Abigail Spencer) ended their engagement. —Sabienna Bowman, PEOPLE, 2 Jan. 2026

The industry loves an inside-out moment, and embracing Disney’s most famous—and famously earnest —mascot offers an opportunity to imbue the 97-year-old cartoon rodent with some real edge. —Faran Krentcil, InStyle, 31 Dec. 2025

Noun

The crackdown may only be starting in earnest. —Juanita Goebertus, MSNBC Newsweek, 26 Aug. 2025

Xabi Alonso’s Real Madrid project started in earnest with a 1-0 home win against Osasuna on Tuesday. —Mario Cortegana, New York Times, 21 Aug. 2025