Word forms: flummoxes
verb [usu passive] If someone is flummoxed by something, they are confused by it and do not know what to do or say. [be V-ed] ⇒ The two leaders were flummoxed by the suggestion. flummoxed
graded adjective & adjective ⇒ No wonder Josef was feeling a bit flummoxed.
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers