UK forces have been in Afghanistan since US-led forces launched Operation Enduring Freedom in 2001, targeting al-Qaeda and its Taliban supporters.
5. Weak in intellect; destitute of ordinary strength of mind; foolish; witless; simple; as, a silly woman. 6. Proceeding from want of understanding or common judgment; characterized by weakness or folly; unwise; absurd; stupid; as, silly conduct; a silly question.
Definition of absurd. 1  1 : ridiculously unreasonable, unsound, or incongruous an absurd argument : extremely silly or ridiculous absurd humor. 2  2 : having no rational or orderly relationship to human life : meaningless an absurd universe; also : lacking order or value an absurd existence.