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