Careful Words

equivocation (n.)

I pull in resolution, and begin

To doubt the equivocation of the fiend

That lies like truth: "Fear not, till Birnam wood

Do come to Dunsinane."

William Shakespeare (1564-1616): Macbeth. Act v. Sc. 5.

  How absolute the knave is! we must speak by the card, or equivocation will undo us.

William Shakespeare (1564-1616): Hamlet. Act v. Sc. 1.