sharpened

The 1983 downing of KAL 007 sharpened American tensions with the Soviet Union to heights not seen since the Cuban missile crisis.

But as the civil conflict has sharpened, both sides are employing the renegade sharpshooters.

In terms of addressing veteran unemployment, Obama has evidently sharpened his focus in recent months.

But time and experience have mellowed the 54-year-old Oldman and sharpened his acting.

This further sharpened the divide within the Republican Party.

The conflict in Tom's puzzled heart sharpened that evening into dreadful edges that cut him mercilessly whichever way he turned.

The sharpened faculties have something of a lawyer's quickness in detecting a flaw in the indictment.

In spite of her sharpened wits, Mrs. Kaye smiled radiantly into Isabel's guileless eyes.

At the head they insert a bamboo knot, with its point well sharpened into two edges.

She ran her finger along the edge of the instrument—Gilbert, when at home, used to keep it nicely sharpened for her use.