Definitions:

1. to bend out of shape, as under pressure or from heat verb
   • The highway buckled during the heat wave.
2. to fasten with a buckle or buckles verb
   • I buckle my seatbelt.
3. to fold or collapse verb
   • Your knees buckled under the weight of the metal beams.

Synonyms:

• clasp
• crumple
• heave
• warp

NearBy Words:

• buckler
• buckleya