"concealing" in the noun sense
1. concealment, concealing, hiding
the activity of keeping something secret
"concealing" in the verb sense
1. hide, conceal
prevent from being seen or discovered
"hide the money"
2. conceal, hold back, hold in
hold back keep from being perceived by others
"She conceals her anger well"
"concealing" in the adjective sense
1. concealing
covering or hiding
"the concealing darkness"
"concealing curtains prevented discovery"
Source: WordNet® (An amazing lexical database of English)
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