Pseudo-
（重定向自Psuedo）
![A sign at an Australian pharmacy warns customers that the pharmacy reports suspicious requests for pseudoephedrine.](/Images/godic/202502/05/VM_0237_sale_pharmacy3622.jpg")
The prefix pseudo- (from Greek ψευδής, pseudes, "lying, false") is used to mark something that superficially appears to be (or behaves like) one thing, but actually is another. Subject to context, pseudo may connote coincidence, imitation, intentional deception, or a combination thereof.