n.
Function: transitive verb
Date: 1656
1 a : to mask the true nature of : give a deceptively attractive appearance to ― used with over <the misery was general, where not gloss ed over by liberal application of alcohol ― Marston Bates> b : to deal with (a subject or problem) too lightly or not at all ― used with over < gloss es over scholarly controversies rather than confronting them head-on ― John Israel>
2 : to give a gloss to