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"wild" is also used as a crossword clue. If that's what you saw, the answer is often feral (5 letters).
Definitions
in a wild or undomesticated manner
Word origin
From Middle English weilde, wield, wielde, wijlde, wild, wilde, wyld, wylde, wyled, wyyld, from Old English wilde, from Proto-West Germanic *wilþī, from Proto-Germanic *wilþijaz (“wild”), from Proto-Indo-European *h₂welh₁- (“hair; wool”).
Used in a sentence
“Near-synonym: indigenous”
“Przewalski's horses are the only remaining wild horses, although there are many feral horses throughout the world.”
“In this region, the wild boars can be dangerous, but (perhaps counterintuitively) the feral hogs can be even worse.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Not domesticated”4 letters
02“Untamed”4 letters
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