1. past tense of buckle; fastened with a buckle
2. past tense of buckle; bent or warped under pressure or heat
3. past tense of buckle; collapsed or gave way under stress

1. having a buckle or buckles
2. bent, warped, or distorted

Examples

• She buckled her seatbelt before starting the car.
• The metal sheet buckled under the intense heat.
• His knees buckled when he heard the shocking news.
• The pavement buckled during the earthquake.
• He wore buckled shoes to the formal event.
• The buckled wheel made the bicycle difficult to ride.
• The roof buckled under the weight of the snow.