Functions as a past-participle adjective derived from the verb “unperforate”, describing something whose perforations have been removed or that was never perforated.

Definitions

unperforatedadjective

Not having holes or perforations.

The unperforated sheet of stamps was considered a collector's item.

unperforatedpast participle

Having had perforations removed; not or no longer perforated.

After the repair, the pipe was completely unperforated.