8-Letter Words Starting: OPER

• of or relating to or characteristic of opera

• capable of being treated by surgical operation

• fit or ready for use or service

• usable for a specific purpose

• A covering flap in animals, such as a gill cover.

• The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds.

• A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth.

• A structure which serves as a cover or lid.

• direct or control; projects, businesses, etc.

• perform as expected when applied

• handle and cause to function

• perform a movement in military or naval tactics in order to secure an advantage in attack or defense

• keep engaged

• perform surgery on

• a quantity upon which a mathematical operation is performed

• (mathematics) a symbol or function representing a mathematical operation

• an agent that operates some apparatus or machine

• someone who owns or operates a business

• a shrewd or unscrupulous person who knows how to circumvent difficulties

• a speculator who trades aggressively on stock or commodity markets

• a short amusing opera