stencil UK /ˈstɛnsɪl/US /ˈstɛnsəl/noun 3verb 1forms 5 noun3 •A thin sheet, either perforated or using some other technique, with which a pattern may be produced upon a surface; a utensil that contains a perforated sheet.You do not necessarily need to have a stencil brush to paint over a stencil. — 2015 •A two-ply master sheet for use with a mimeograph. •A pattern produced using such a utensil. verb1 •To print with a stencil.Stencilled letters were used for words and phrases, as well as for captions for some of his stencil “prints,” print being used in the sense of a multicolor woodcut. — 2015 formsstenciled · stencilled · stenciling · stencilling · stencils