WordNet sense 1 (accidental contact between two points in an electric circuit that have a potential difference):

short circuit

WordNet sense 2 (cheat someone by not returning him enough money):

short-change

WordNet sense 3 (well below average height):

pint-sized

WordNet sense 4 (less than the correct or legal or full amount often deliberately so):

light, scant

WordNet sense 5 (not sufficient to meet a need):

inadequate, poor

WordNet sense 6 (of a quantity not able to fulfill a need or requirement):

deficient, insufficient

WordNet sense 7 ((of memory) deficient in retentiveness or range):

forgetful, unretentive

WordNet sense 8 (lacking foresight or scope):

myopic, shortsighted, unforesightful

WordNet sense 9 (not provident; not providing for the future):

improvident

WordNet sense 10 (create a short circuit in):

short-circuit

WordNet sense 11 (lasting for a markedly brief time):

fleeting

WordNet sense 12 (of short duration or distance):

brief, little

WordNet sense 13 ((obsolete) cut short):

curtal

WordNet sense 14 (capable of being broken or damaged):

breakable

WordNet sense 15 (the fielding position of the player on a baseball team who is stationed between second and third base):

shortstop

WordNet sense 16 (marked by rude or peremptory shortness):

brusque, curt, brusk

WordNet sense 17 (showing no courtesy; rude):

discourteous

WordNet sense 18 (at a disadvantage):

unawares

WordNet sense 19 (in a curt, abrupt and discourteous manner):

curtly, shortly

WordNet sense 20 (quickly and without warning):

abruptly, dead, suddenly