Definition of 4x4
: a four-wheel automotive vehicle (such as a pickup) equipped with four-wheel drive
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1937
First Known Use of 4x4
1937
4X4 Defined for English Language Learners
4x4
play
noun
Definition of 4x4 for English Language Learners
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: a vehicle (such as a truck) that has four wheels and four-wheel drive
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