Definition

Describing something that expresses praise or is given for free as a courtesy or favor.

Example

The hotel offered complimentary breakfast to all its guests.

Conversation

I received such complimentary feedback on my presentation yesterday.

That's awesome! It must have made you feel really good.

It did! I was surprised by how many people were complimentary about my ideas.

Well, you definitely deserve it — your work is always impressive!

Synonyms & Antonyms

Root Explanation

Complimentary → It is formed from "com-" (meaning together) and "plere" (meaning to fill). The word "complimentary" refers to something that fills or completes positively, often in the context of giving praise or expressing goodwill.

Memory Tip

Think of things that are 'together' ('com-') to 'fill' ('plere') someone with praise or goodwill — that's what complimentary means.

Visually Confused Words