concealing

(noun) the activity of keeping something secret. Synonyms: concealment, hiding.

(verb) prevent from being seen or discovered. Synonyms: hide, conceal. Examples: "Muslim women hide their faces." "Hide the money."

(verb) hold back; keep from being perceived by others. Synonyms: conceal, hold back, hold in. Example: "She conceals her anger well."

(adj) covering or hiding. Synonyms: concealing (vs. revealing). Examples: "The concealing darkness." "Concealing curtains prevented discovery."