noun

1. One of two options on a true-or-false test.

   “The student received a failing grade for circling every true and false on her quiz.”

adjective

1. Untrue, not factual, factually incorrect.

2. Based on factually incorrect premises.

   “false legislation, false punishment”

3. Spurious, artificial.

   “false teeth”

Synonyms: lease

adverb

1. In a dishonest and disloyal way; falsely.