- unregistered - (of animals) not recorded with or certified by an official breed association; "unregistered dairy cattle"
Antonym: registered
- unregistered - not registered; "an unregistered citizen"
Antonyms: registered, certified, qualified, enrolled, listed, recorded
- unfiled, unregistered - not filed or recorded in the place prescribed by law; "an unregistered trademark"; "an unregistered mortgage"
Antonym: recorded (indirect, via unrecorded)
- unregistered - (a boat or vessel) not furnished with official documents
Antonym: documented (indirect, via undocumented)