pact
formal agreementThe two countries signed a non-aggression pact.
The agreement ensures they won't attack each other.
A formal agreement between individuals or parties.
They made a pact to support each other's careers.
They agreed to help one another professionally.
The peace pact ended years of conflict.
The treaty brought an end to the war.
Often implies mutual obligations or promises. Common in historical, political, or personal contexts.
Collocations
Antonyms
Pro Tip
Avoid casual use
Use 'pact' for serious agreements (e.g., treaties). For everyday promises, use 'promise' or 'agreement'.
Gold Rule
Formal tone
Reserve 'pact' for written or official agreements. 'Promise' is better for informal contexts.
Word Origin
From Latin *pactum* (something agreed upon), past participle of *pacisci* (to agree, bargain). Related to *pax* (peace). Entered English in the 15th century.
Usage Notes
Used in formal contexts; implies a binding or solemn commitment. Avoid using for casual promises.