The definition of a pact is an agreement that is not to be broken.noun
- An example of a pact is when two boys promise to finish a race together, no matter what.
- An example of a pact is a cease fire agreement between two countries.
Origin: OFr < L pactum, neut. of pactus, pp. of paciscere, to agree < base of pax, peace
Used by arrangement with John Wiley & Sons, Inc.
- A formal agreement, such as one between nations; a treaty.
- A compact; a bargain.
Origin: Middle English, from Old French, from Latin pactum, from neuter sing. past participle of pacīscī, to agree; see pag- in Indo-European roots.