WordNet (r) 3.0 (2006):
hush up v 1: cover up a misdemeanor, fault, or error; "Let's not whitewash the crimes of Stalin"; "She tried to gloss over her mistakes" [syn: whitewash, gloss over, sleek over, hush up] 2: cause to be quiet or not talk; "Please silence the children in the church!" [syn: hush, quieten, silence, still, shut up, hush up] [ant: louden]