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
come out of left field
to come from an unexpected place
The manager's new idea came out of left field and we have no idea what it means.