expression, i-adjective
incessant; uninterrupted; continuous
Fixed expression meaning that something (visitors, calls, orders, etc.) keeps coming without a break. Often used in the form 引きも切らず as an adverb. The literal image is of something that cannot be cut off.
See also: 引きも切らず
年末は来客が引きも切らない。
At the end of the year, visitors are incessant.
Inquiry calls are ringing continuously.