Use 'gad' to describe relaxed, aimless activities, often for pleasure or passing time. On my day off, I love to gad around the local market.
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Casual Tone
The verb 'gad' carries a casual tone, suitable for informal conversations. After exams, we'll gad about town just to unwind.
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Old-fashioned
'Gad about' or 'gad around' may sound old-fashioned or less common in modern English. Grandpa reminisced about how he used to gad about with his friends.