As adjectives the difference between shortlived and curt
is that shortlived is an alternative spelling of lang=en while curt is brief or terse, especially to the point of being rude.
As a proper noun Curt is
a short form of the male given name Curtis.
curt
English
Adjective
(er)
Brief or terse, especially to the point of being rude.
*
Short or concise.
Synonyms
* (terse to the point of being rude) abrupt, blunt, brusque
Derived terms
* curtly
* curtness
* curtail