Tincture \Tinc"ture\, v. t. [imp. & p. p. {Tinctured}; p. pr. & vb. n. {Tincturing}.] 1. To communicate a slight foreign color to; to tinge; to impregnate with some extraneous matter. A little black paint will tincture and spoil twenty gay colors. --I. Watts. 2. To imbue the mind of; to communicate a portion of anything foreign to; to tinge. The stain of habitual sin may thoroughly tincture all our soul. --Barrow.