perforate verb 5adjective 4forms 3 verb5 •To pierce; to penetrate. •To make a line of holes in (a thin material) to allow separation at the line.to perforate a sheet of postage stamps •IPA⁽ᵏᵉʸ⁾: /ˈpɜː.fə.ɹeɪt/ •IPA⁽ᵏᵉʸ⁾: /ˈpɝ.fɚ.eɪt/ •Audio (US): (file) adjective4 •IPA⁽ᵏᵉʸ⁾: /ˈpɜː.fə.ɹət/ •IPA⁽ᵏᵉʸ⁾: /ˈpɝ.fɚ.ət/ •Perforated.An Earthen Pot perforate at the Bottom to let in the Plant. — 1626 •Perforated, having a hole.Suche abuses can not be longe hydde frome princis, that haue their eares perforate (as is the prouerbe). — 1541 formsperforated · perforating · perforates