Smirch

[smɜːtʃ] or [smɝtʃ]

Definition

(verb.) smear so as to make dirty or stained.

Edited by Denny--From WordNet

Definition

(v. t.) To smear with something which stains, or makes dirty; to smutch; to begrime; to soil; to sully.

(n.) A smutch; a dirty stain.

Checked by Bertrand

Definition

v.t. to besmear dirty: to degrade in fame dignity &c.—n. a stain.

Checked by Enrique