sham

(noun) something that is a counterfeit; not what it seems to be. Synonyms: fake, postiche.

(noun) a person who makes deceitful pretenses. Synonyms: imposter, impostor, pretender, fake, faker, fraud, shammer, pseudo, pseud, role player.

(verb) make a pretence of. Synonyms: simulate, assume, feign. Examples: "She assumed indifference, even though she was seething with anger." "He feigned sleep."

(verb) make believe with the intent to deceive. Synonyms: feign, pretend, affect, dissemble. Examples: "He feigned that he was ill." "He shammed a headache."

(adj) adopted in order to deceive. Synonyms: assumed, false, fictitious, fictive, pretended, put on. Examples: "An assumed name." "An assumed cheerfulness." "A fictitious address." "Fictive sympathy." "A pretended interest." "A put-on childish voice." "Sham modesty."