What is the Difference Between Complementary and Complimentary?

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The difference between "complementary" and "complimentary" lies in their meanings and usage:

  • Complementary: This term refers to things that complete each other or enhance one another when used together. It is used when discussing how two things complement or enhance each other, such as "The researcher's expertise in both biology and computer science was complementary to the project".
  • Complimentary: This word has two meanings. It can refer to expressing praise, approval, or admiration, as in "The conference attendees offered many complimentary remarks about the researcher's presentation". It can also refer to something that is provided free of charge, as in "The hotel offered complimentary chocolates to its guests".

To remember the difference, keep in mind that "complementary" has an "e" and is related to the word "complete," while "complimentary" has an "i" and is related to the word "praise".

Comparative Table: Complementary vs Complimentary

The difference between "complementary" and "complimentary" lies in their meaning and usage. Here is a table summarizing the differences:

Term Meaning Usage
Complementary Refers to items or elements that complete or perfect each other, often used in context of supplementary or reciprocal things. Used as an adjective to describe objects or situations that work well together or support each other. Examples: complementary colors, complementary skills, complementary products, partners.
Complimentary Refers to something given free of charge, often used to express praise or admiration. Used as an adjective to describe something that is provided for free or without charge. Examples: complimentary coffee, complimentary tickets, complimentary hotel stay.

In summary, "complementary" refers to items or elements that complete or perfect each other, while "complimentary" refers to something given free of charge or expressing praise or admiration.