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.
The definition of a simper is a coy or silly smile. The smile you give when you are self-conscious about something you have done is an example of a simper. Simper is to smile or smirk in a silly or coy way. When you are pleased with yourself and you give a silly smirk, this is an example of when you simper.