Abrupt, curt in one's manner or in relation to others.
Full of liveliness and activity; characterized by quickness of motion or action.
Full of spirit of life; effervescing.
Stimulating or invigorating.
To make or become lively; to enliven; to animate.
dulled or intentionally blunt.
out of focus; blurry.
To sharpen (an image) by creating a blurred ("unsharp") negative as a mask, and then combining that mask with the original.