1. (v. t.) To obliterate; to erase; to rub out; to render illegible or indiscernible; as, to efface the letters on a monument\, or the inscription on a coin.

2. (v. t.) To destroy, as a mental impression; to wear away.

annul black out blot blot out cancel cross out dele delete eliminate eradicate erase exclude expunge extirpate obliterate raze rub out rule out scratch scratch out sponge sponge out strike out wipe out