1.
Something that is ~ is worth having or doing because it is useful, necessary, or popular.
Prolonged negotiation was not ~...
ADJ
desirability
...the desirability of democratic reform.
N-UNCOUNT: usu the N of n/-ing
2.
Someone who is ~ is considered to be sexually attractive.
...the young women whom his classmates thought most ~.
ADJ
desirability
...Veronica’s desirability.
N-UNCOUNT: usu poss N