definition of
dissemble

[1] #1 dissemble v. [feign, sham, pretend, affect] make believe with the intent to deceive; "He feigned that he was ill"; "He shammed a headache". wn

[2] #2 dissemble v. [cloak, mask] hide under a false appearance; "He masked his disappointment". wn

[3] #3 dissemble v. [pretend, act] behave unnaturally or affectedly; "She's just acting". wn