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

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

Thus the earnest rush to clear their names at the outset and set the record straight that the spinner was already missing. —Caleb Harris, Austin American Statesman, 11 Mar. 2026

In true Hoover-movie fashion, the action takes place in the past and the present, starting in earnest when Kenna happens upon Ledger’s bar and catches his eye. —Damon Wise, Deadline, 11 Mar. 2026

Noun

Except, when the rehearsals start in earnest and boys enter the duo’s orbit in after-school adventures, their already off-balance dual existence and sneaky one-upmanship worsens. —Tomris Laffly, Variety, 24 Jan. 2026

The parallel: Reid had known Spagnuolo for decades, starting in earnest when Reid was an assistant coach at Mizzou and Spagnuolo was a frequent visitor. —Kansas City Star, 21 Jan. 2026