Bogus/ˈbəʊɡəs/ Definition 1 of 2Pro Tip 1/3Often Negative Bogus suggests something is purposely deceitful or dishonest, not just mistaken. They realized the documents were bogus, created to deceive investors. Pro Tip 2/3Not for Mistakes Use 'bogus' for intentional fakes, not for honest errors or accidents. The witness gave a bogus alibi, not simply a wrong one. Pro Tip 3/3Informal Context Bogus is casual and might not be suitable for formal or academic writing. He got in trouble for selling bogus tickets to the concert.