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earnest Synonyms
Another word for earnest
Choosing another word for earnest depends on context, so the 22 synonyms and similar words below are separated across 3 exact definitions and ranked by match strength.
• adjective (Context 1)
Resulting from or showing sincere and intense conviction; serious and deeply committed rather than playful or superficial.
Usage Example
"The student made an sincere effort to master the difficult cello concerto before the recital."
Strongest
sincere
serious
wholehearted
Strong
fervent
heartfelt
grave
solemn
zealous
committed
devoted
• noun (Context 2)
Sincere and serious intention, purpose, or effort (used almost exclusively in the phrase 'in earnest').
Usage Example
"After weeks of preliminary planning, construction on the new library finally began in seriousness."
Strongest
seriousness
sincerity
Strong
determination
gravity
solemnity
• noun (Context 3)
A token, pledge, or partial payment given in advance as a guarantee of what is to come or to bind a contract.
Usage Example
"The buyer paid a small sum as an pledge of his intention to purchase the estate."
Strongest
pledge
Strong
token
deposit
surety
guarantee
down payment
foretaste
Opposites of earnest
The opposite of earnest shifts depending on context. Common opposites include:
jest
frivolous
flippant
frivolity
insincere
half-hearted
insincerity
levity
Cite this Entry
Wordmom. (2026). Synonyms for Earnest. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/earnest