- to force upon or impose fraudulently or unjustifiably (usually followed by on or upon): to foist inferior merchandise on a customer.
- to bring, put, or introduce surreptitiously or fraudulently (usually followed by in or into): to foist political views into a news story.
- to sell or pass off (something, esp an inferior article) as genuine, valuable, etc
- to insert surreptitiously or wrongfully
