negative

If something is negative, it is harmful, sad, or otherwise not good.

Example: You can believe or not believe, that there's a positive and negative side to everything.

If a word, sentence, answer, etc. is negative, it uses a word like no, not, never, etc.

Example: Can't is the negative form of can.

If someone is a negative person or has a negative attitude, they mainly think about bad things.

Example: Her negative attitudes were the result of a hard life.

If a test result is negative, the test did not find what it was testing for.

Example: There's nothing to worry about. The HIV test is negative.

A negative electrical charge is one carried by an electron.

Example: Attach the wire to the negative pole of the battery.