How to use freak in a sentence. Freak out, [slang.] to enter into or cause a period of irrational behavior or emotional instability, as under the influence of a drug A thing, person, animal, or event that is extremely unusual or unlikely, and not like any other…
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To become or to make (someone) insane or out of control, as a result of being frightened, wildly excited, or high on drugs
The loud noise freaked the horses just as they were being loaded into trailers
Mom'll freak if she ever finds out we threw that party when she was out of town. An abnormal phenomenon or product or unusual object A person or animal on exhibition as an example of a strange deviation from nature A sudden and apparently causeless change
There are 21 meanings listed in oed's entry for the word freak, two of which are labelled obsolete, and nine of which are considered offensive and derogatory See ‘meaning & use’ for definitions, usage, and quotation evidence. An enthusiast, or person who has an obsession with, or extreme knowledge of, something He owns every games console of the last ten years.
Synonyms for freak, when used to describe something or something abnormal, include anomaly, chimera, misshape, and oddity
Weirdo is slang for freak, and regular is its antonym. To become or make frightened, nervous, or wildly excited The loud noise caused the horse to freak