Definitions from Wiktionary ( )

▸ noun:  (dated outside certain expressions) Someone or something that is markedly unusual or unpredictable.
▸ noun:  A hippie.
▸ noun:  A drug addict.
▸ noun:  (derogatory) A person who is extremely abnormal in appearance, social behavior, sexual orientation, gender identity, and/or business practices; an oddball, a unique person, originally in a displeasing or alienating way.
▸ noun:  (bodybuilding) A person whose physique has grown far beyond the normal limits of muscular development; often a bodybuilder weighing more than 260 pounds (120 kg).
▸ noun:  An enthusiast, or person who has an obsession with, or extreme knowledge of, something.
▸ noun:  (informal, sometimes endearing) A very sexually perverse individual.
▸ noun:  (African-American Vernacular) A wild dance.
▸ noun:  (dated) A sudden change of mind
▸ noun:  (dated) A streak of colour; variegation.
▸ verb:  (intransitive, slang) To react extremely or irrationally, usually under distress or discomposure.
▸ verb:  (slang, transitive, intransitive) To be placed or place someone under the influence of a psychedelic drug, (especially) to experience reality withdrawal, or hallucinations (nightmarish), to behave irrational or unconventional due to drug use.
▸ verb:  (transitive, dated) To streak; to variegate
▸ adjective:  Strange, weird, unexpected.
▸ noun:  A man, particularly a bold, strong, vigorous man.
▸ noun:  (UK dialectal, Scotland) A fellow; a petulant young man.

---

▸ Word origin

▸ Words similar to freak
▸ Usage examples for freak

▸ Idioms related to freak
▸ Wikipedia articles (New!)
▸ Popular adjectives describing freak
▸ Popular nouns described by freak
▸ Words that often appear near freak
▸ Rhymes of freak

▸ Invented words related to freak