adjective
- An example of something rabid is a raccoon that is frothing at the mouth from rabies.
- An example of someone rabid is an heroin addict’s insatiable desire for the drug.
- An example of someone rabid is a believer who speaks with a scary energy and sureness.
The definition of rabid is having rabies, being violent or uncontrollable, or fanatical in a belief.
rabid

- violent; raging
- fanatic or unreasonably zealous in beliefs, opinions, or pursuits
- of or having rabies
Origin of rabid
Classical Latin rabidus from rabere, to rage, probably from Indo-European base an unverified form rabh-, to be violent, raging from source Sanskrit rábhas-, violence, force, Classical Latin rabies, madnessrabid

adjective
- Of or affected by rabies.
- Raging; uncontrollable: rabid thirst.
- Extremely zealous or enthusiastic; fanatical: a rabid football fan.
Origin of rabid
Latin rabidus from rabere to raveRelated Forms:
- ra·bid′i·ty rab′id·ness
noun
- rab′id·ly
adverb
rabid

Adjective
(comparative more rabid, superlative most rabid)
Origin
From the Latin rabidus, from rabere (“to rave").