1. Pretending with intention to deceive
   - pretense [N. Amer], pretence [Brit, Cdn], feigning 
2. The act of deceiving
   - deception, deceit, dissimulation

1. Make believe with the intent to deceive
   - feign, sham, pretend, affect 
2. Hide under a false appearance
   - cloak, mask 
3. Behave unnaturally or affectedly
   - pretend, act

See also: dissembler

Type of: belie, deceit, deception, disguise, falsification, mask, misrepresent, misrepresentation

Encyclopedia: Dissemble

• ungodly
• ungovernable
• ungoverned
• ungraceful
• ungracefully
• ungracefulness
• ungracious
• ungraciously
• ungraciousness
• ungradable opposition
• ungraded
• ungrammatical
• ungrammatically
• ungrasped
• ungrateful
• ungrateful person
• ungratefully
• ungratefulness
• ungratified
• ungratifying
• ungreased
• ungregarious
• ungroomed
• ungrudged
• ungrudging