© 2026 Sloth Lingo. Learn easy. Lounge wisely.

promisor

Intermediate (B1)

IPA: /prəˈmɪzər/

KK: /prəˈmɪsər/

noun
Definition

A person or entity that makes a promise to do something or to provide something in the future.


Example

In the contract, the promisor agreed to deliver the goods by the end of the month.


Conversation
Sloth A
Did you hear about the new contract they signed?
Sloth B
Yeah, I think the promisor has to deliver on some big promises.
Sloth A
Right? It’s interesting how a promisor can change everything in a deal.
Sloth B
Absolutely! It really shows how important trust is in business.

Synonyms & Antonyms
Synonyms
guarantor
obligor
covenantor
Antonyms
promisee
debtor
nonpromisor
Root Explanation

Promisor → It is formed from "pro-" (meaning for or in favor of) and "mittere" (meaning to send). The word refers to someone who sends forth a promise or commitment.

Memory Tip

Think of someone 'sending forth' ('mittere') a commitment or assurance 'for' ('pro-') another person — that's what a promisor does.

Visually Confused Words
copromisor
provisor
expromissor
provisory
premisory
proviso
Is this page helpful?