/ ʌnˈiːz; NAmE / (also un·easi·ness / ʌnˈiːzinəs; NAmE /) noun
[ U , sing. ] the feeling of being worried or unhappy about sth
SYN anxiety :
a deep feeling / sense of unease
There was a growing unease about their involvement in the war.
He was unable to hide his unease at the way the situation was developing.