Unfortunately, when it comes to the informant who turns state’s evidence against a confrere, the OED slaps on the obscure origin label.

We need to explore this hyperlegal negation of civil existence.

Arsenal revenged their loss to Manchester United last time with a 5–0 drubbing this time.

The arcual measure of an angle is that in which the unit angle has its measuring arc equal to the radius of the circle.