wild
US /waɪld/
UK /waɪld/

1.
living or growing in the natural environment; not domesticated or cultivated.
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We saw a herd of wild horses galloping across the plains.
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The garden was overgrown with wild flowers and weeds.
2.
uncontrolled or unrestrained.
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The crowd went wild when their team scored the winning goal.
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He has a wild imagination.
3.
denoting a place that is uninhabited, desolate, or uncultivated.
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They ventured deep into the wild mountains.
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The explorers discovered a vast, wild landscape.
1.
an uncultivated or uninhabited region.
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They decided to explore the great wild.
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Survival in the wild requires special skills.
1.
in a wild or uncontrolled manner.
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The children ran wild in the park.
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His hair grew wild and unkempt.