(idiomatic) Neglectful of an important task, responsibility, or opportunity.

plural of dimmer switch

(telecommunications) A switch that can selectively change signals between optical fibers or integrated optical circuits.

(baseball) A person who can bat either as a right-hander or a left-hander. / (cricket) A batsman who performs switch-hits.

(baseball, softball) To bat both left and right-handed. / (cricket) To face the bowler with a left or right-handed batting stance, and then switch to the opposite stance as the ball is bowled.

(cricket) An instance of switch-hitting.

Relating to use of bait and switch (offering one attractive exchange initially, but not honoring the offer) in business, politics, and elsewhere.

Alternative spelling of switch-hitter

A switch, usually mounted on a wall in a building, used to turn the light on or off.

A situation where two things are changed at once / (baseball) A replacement of two players simultaneously, typically so that a fielder can hit in the pitcher's spot in the batting order.