adj.
1.characterized by enmity or ill will
2.not belonging to your own country's forces or those of an ally
3.very unfriendly
4.impossible to bring into friendly accord
5.very unfavorable to life or growth
6.marked by features that oppose constructive treatment or development
7.used of attempts to buy or take control of a business
Idiom of the Day
on again, off again
to be unsettled or changeable or uncertain
The plans for the fireworks display were on again, off again because of the windy weather.