Thesaurus.com
Dictionary.com
Definitions

promise

[prom-is] / ˈprɒm ɪs /
NOUN
one's word that something will be done
Synonyms
STRONGEST
agreement assurance commitment guarantee obligation pact pledge vow word
STRONG
affiance affirmation asseveration avowal betrothal bond compact consent contract covenant earnest engagement espousal insurance marriage oath parole pawn plight profession security stipulation swear swearing token troth undertaking warrant warranty
WEAK
promissory note sacred word word of honor
Antonyms
STRONGEST
breach break disagreement
STRONG
denial divorce
WEAK
hopelessness impossibility renege
NOUN
hope, possibility
Synonyms
STRONGEST
ability potential talent
STRONG
aptitude capability capacity encouragement flair outlook
WEAK
good omen
Antonyms
STRONGEST
inability lack weakness
STRONG
impotence incapacity incompetence ineptness
WEAK
break hopelessness impossibility renege
VERB
give word that something will be done
Synonyms
STRONGEST
affirm agree assure commit declare ensure guarantee vow
STRONG
accede affiance assent bargain betroth bind compact consent contract covenant engage espouse hock insure mortgage obligate pass pawn pledge plight profess secure stipulate subscribe swear undertake underwrite vouch warrant
WEAK
answer for asseverate cross heart live up to say so string along swear on bible swear up and down take an oath
Antonyms
STRONGEST
deny disavow
STRONG
break break off disagree disapprove dissent divorce enlarge give up let go loose loosen lose protest refuse reject release unfasten untie
WEAK
discourage renege
VERB
bring hope, possibility
Synonyms
STRONGEST
encourage hint indicate suggest
STRONG
augur bespeak betoken bode denote forebode foreshadow foretoken like look omen portend presage
WEAK
give hope hold out hope hold probability lead to expect seem likely show signs of
Antonyms
STRONG
ignore
WEAK
break discourage renege

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Despite its promise, traditional materials used for this type of memory struggled as devices were scaled down.

From Science Daily • May 3, 2026

I promise this will not be a piece about whether or not the election results will give the Prime Minister his metaphorical P45.

From BBC • May 2, 2026

“We’ve heard stories where they promise that they can solve their immigration problems for them. No real lawyer is ever going to promise an outcome to you.”

From Salon • May 2, 2026

God’s promise to Noah after the Flood, an Old Testament blessing, joins with hints of the georgic and pastoral poetry of Horace and Virgil.

From The Wall Street Journal • May 1, 2026

“Can you promise not to share with anyone else in the operating pool?”

From "The Brightwood Code" by Monica Hesse

Vocabulary lists containing promise

"Macbeth" Vocabulary from Act I

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Send a Message: Mit and Miss

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Michelle Obama's final address as First Lady (2017)

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!