Definition of "affirmative" in English

adjective

1. pertaining to truth; asserting that something is; affirming

   • an affirmative answer

2. pertaining to any assertion or active confirmation that favors a particular result

3. positive

   • an affirmative vote

4. Confirmative; ratifying.

   • an act affirmative of common law

5. Dogmatic.

6. (logic) Expressing the agreement of the two terms of a proposition.

7. (algebra) positive; not negative

noun

1. Yes; an answer that shows agreement or acceptance.

   • That’s an affirmative Houston, the space shuttle has lost the secondary thrusters.
   • 10-4 good buddy. That’s an affirmative—the tractor trailer is in the ditch at the side of the highway.

2. (grammar) An answer that shows agreement or acceptance.

3. (obsolete) An assertion.

interjection

1. Yes.

2. (military, especially radio communications) Yes; true; correct.