Synonyms for Cut short:

n.

end, finish, halt, quit. check, hinder, intercept, interrupt. abbreviate, abridge, decrease, shorten. cut short (noun)
break off, break short, crop, truncate, clip, curtail.

v.

change (verb)
truncate.
curtail (verb)
shorten.
stop earlier than intended (verb)
break off, clip, intercept, curtail, finish, check, abridge, break short, shorten, quit, end, interrupt, halt, abbreviate, hinder.

Other synonyms:

shorten
truncate.
Other relevant words:
check, halt, finish, hinder, abbreviate, shorten, abridge, end, quit, interrupt, intercept.