Hostile
Part of speech: noun
Definition: An enemy; esp., an American Indian in arms against the whites; -- commonly in the plural.
Part of speech: adjective
Definition: Belonging or appropriate to an enemy; showing the disposition of an enemy; showing ill will and malevolence, or a desire to thwart and injure; occupied by an enemy or enemies; inimical; unfriendly
Example sentence: I admire our ancestors, whoever they were. I think the first self-conscious person must have shaken in his boots. Because as he becomes self-conscious, he's no longer part of nature. He sees himself against nature. He looks at the vastness of the universe and it looks hostile.
Bitter
Part of speech: noun
Definition: (usually in the plural bitters) A liquid or powder, made from bitter herbs, used in mixed drinks or as a tonic.A type of beer heavily flavored with hops.
Part of speech: adjective
Definition: Having an acrid taste (usually from a basic substance)Harsh, piercing or stingingHateful or hostileCynical and resentful
Example sentence: The roots of education are bitter, but the fruit is sweet.