1. [ noun ] (biology) a person or animal that is markedly unusual or deformed
Synonyms: monstrosity monster lusus_naturae
Related terms: mutant leviathan
2. [ noun ] someone who is so ardently devoted to something that it resembles an addiction
Synonyms: junkie junky nut addict

"a golf addict" "a car nut" "a control freak"

Related terms: enthusiast gym_rat addict
3. [ verb ] lose one's nerve
Synonyms: lose_control gross_out freak_out

"When he saw the accident, he freaked out"

Related terms: panic
Similar spelling:   freaky