Definitions

1. verb

to fasten or secure something that has come loose or undone

“She had to refasten the loose screws on the old chair.”

2. noun

the act of fastening or securing something again

“The refastening of the bridge took several days.”

3. verb

to tighten or make more secure, especially by reattaching or resecuring

“The engineer had to refasten the loose bolt on the engine.”