Underclub

underclub using a club that does not provide enough distance to reach the intended target
Example: Perhaps it's safer to underclub when the OB is so close to the back of the green. under par (also "subpar") less than or below par ...

Underclub: To take at least one club less than is necessary for the distance of the shot. The result of this shot will invariably be short of the intended target.

underclubbing-- To accidentally choose a club that will not travel the desired distance.

Underclubbing
Using a club that does not give the needed distance
Underspin ...

Underclub: To take at least one club less than needed for distance.
Unplayable Lie: You can't hit the ball. One stroke penalty is your reward.
Up: Ahead in the match. Or the person next to play. Or reaching the hole with a putt.

Underclub
To use a club that does not give the distance required for the shot.
Underclubbing ...

underclub
Making a shot using a club with a number that is insufficient to make the necessary distance of the shot.
...

underclub: To hit the correct strike, however choose the wrong club for the distance required. In this case, to choose a club that will send a ball too short a distance.

Underclubbing - Hitting a shot with a club that does not give the needed distance to the target area.
Underspin - Same as backspin.
Unplayable lie - A lie in which the ball is impossible to play.

Most of all, however, try to get yourself away from that huge majority of golfers who consistently underclub and overswing, leaving their approach shots short of the green.

See also: Stroke, Hole, Lie, Unplayable, Unplayable lie