- (transitive) To cause to disappear as if by rubbing out or striking out.
"Some people like to efface their own memories with alcohol."
- (transitive) To erase (as anything impressed or inscribed upon a surface); to render illegible or indiscernible.
"Do not efface what I've written on the chalkboard."
- (medicine) Of the cervix during pregnancy, to thin and stretch in preparation for labor.
"Some females efface 75% by the 39th week of pregnancy."
- (reflexive) To make oneself inobtrusive as if due to modesty or diffidence.
"Many people seem shy, but they really just efface for meekness."