Simple past tense and past participle of uncollar.(verb)
Not collared; without a collar.(adjective)
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Use "uncollared" in a sentence
"She, Joker and another member of the team clambered over the collapsed western wall of the store into the alcohol section, Joker unleashed and uncollared."
"Huge dragons slithered ashore roaring and snapping, obliterating Beholders and unicorns—collared and uncollared alike."
"A woman collared is quite different from a woman uncollared."