Definition

Relating to a promise or assurance, often used in legal or financial contexts.

Example

He signed a promissory note to guarantee the loan.

Conversation

I just signed a promissory note for the loan.

Oh really? How does that work exactly?

It basically means I promise to pay back the money by a certain date.

That sounds straightforward, as long as you stick to the plan!

Synonyms & Antonyms

Root Explanation

Promissory → It is formed from "promittere" (meaning to promise) and the suffix "-ory" (meaning relating to or characterized by). The word "promissory" refers to something that is related to or characterized by a promise.

Memory Tip

Think of 'promising' something — 'promittere' means to promise, and '-ory' indicates it relates to that promise.

Visually Confused Words