HOSTILITY
aggression, hostility
(noun) violent action that is hostile and usually unprovoked
hostility, ill will
(noun) a hostile (very unfriendly) disposition; “he could not conceal his hostility”
hostility, enmity, ill will
(noun) the feeling of a hostile person; “he could no longer contain his hostility”
hostility, enmity, antagonism
(noun) a state of deep-seated ill-will
Source: WordNet® 3.1
Etymology
Noun
hostility (countable and uncountable, plural hostilities)
(uncountable) The state of being hostile.
(countable) A hostile action, especially a military action. See hostilities for specific plural definition.
Synonyms
• (state of being hostile): antagonism, opposition, enmity, animosity, antipathy, hatred, unfriendliness
• (military action): war, fighting, combat
Antonyms
• (state of being hostile): amity, friendliness
• (military action): peace
Source: Wiktionary
Hos*til"i*ty, n.; pl. Hostilities. Etym: [L. hostilitas: cf. F.
hostilité.]
1. State of being hostile; public or private enemy; unfriendliness;
animosity.
Hostility being thus suspended with France. Hayward.
2. An act of an open enemy; a hostile deed; especially in the plural,
acts of warfare; attacks of an enemy.
We have showed ourselves generous adversaries . . . and have carried
on even our hostilities with humanity. Atterbury.
He who proceeds to wanton hostility, often provokes an enemy where he
might have a friend. Crabb.
Syn.
– Animosity; enmity; opposition; violence; aggression; contention;
warfare.
Source: Webster’s Unabridged Dictionary 1913 Edition