elusive

US /iˈluː.sɪv/
UK /iˈluː.sɪv/
"elusive" picture
1.

difficult to find, catch, or achieve

:
The suspect remained elusive, despite a widespread manhunt.
The solution to the problem proved elusive.
2.

cleverly or skillfully evasive

:
His answers were always elusive, never directly addressing the question.
The politician gave an elusive speech, avoiding any firm commitments.