1
a
: of or relating to an enemy
hostile fire
b
: marked by malevolence : having or showing unfriendly feelings
a hostile act
c
: openly opposed or resisting
a hostile critic
hostile to new ideas
d(1)
: not hospitable
plants growing in a hostile environment
(2)
: having an intimidating, antagonistic, or offensive nature
a hostile workplace
2
a
: of or relating to the opposing party in a legal controversy
a hostile witness
b
: adverse to the interests of a property owner or corporation management
a hostile takeover
hostile noun
hostilely adverb

Examples of hostile in a Sentence

Dugoni, a lawyer who coauthored a nonfiction book about an Idaho worker brain-damaged in 1996 by cyanide fumes, opens his debut novel with a wrongful death attorney in San Francisco, David Sloane, about to make his closing remarks defending a corporation in a similar case. Sloane, who has won 14 cases in a row, hates his arrogant client and must face an obviously hostile jury. Publishers Weekly, 9 Jan. 2006
Relations with neighboring societies may be intermittently or chronically hostile. A society may be able to hold off its enemies as long as it is strong, only to succumb when it becomes weakened for any reason, including environmental damage. Jared M. Diamond, Collapse, 2005
I do not want a hostile relationship with my surgeon. But it's obvious he's pigeonholed me into the last of the four patient categories that doctors use when writing a case history: young, middle-aged, senior, elderly. Sylvia Simmons, Newsweek, 10 June 2002
Even when one is inside a climate-controlled spacecraft, sheltered from the deadly vacuum outside, space is a hostile setting. Terrestrial organisms venturing off the planet face a number of threats, chief among them cosmic radiation and the near absence of gravity. Kenneth S. Kosik, Air & Space, June/July 2001
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Home to one of the world’s largest refugee populations – most of them from Afghanistan – Pakistan has not always welcomed the foreigners, subjecting them to hostile living conditions and threatening deportation over the years. Sophia Saifi, CNN Money, 28 Mar. 2025 Andreas typically waits until there have been three instances of potential hostile communication before asking her friend or colleague if everything is OK. Angela Haupt, Time, 28 Mar. 2025 With Duke set to enter a hostile environment that weekend, and in the postseason thereafter, Rausch figured Quinn and his experiences could be a helpful resource. Brendan Marks, New York Times, 27 Mar. 2025 The data could expose the officials to hostile intelligence services that could conceivably use it to hack communications and plant spyware on those officials’ devices, German newspaper Der Spiegel reported. Theresa Braine, New York Daily News, 27 Mar. 2025 See All Example Sentences for hostile

Word History

Etymology

borrowed from Middle French & Latin; Middle French, borrowed from Latin hostīlis, from hostis "enemy" + -īlis "pertaining to or characteristic of (such persons)" — more at host entry 4

First Known Use

1580, in the meaning defined at sense 1a

Time Traveler
The first known use of hostile was in 1580

Browse Nearby Words

Cite this Entry

“Hostile.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hostile. Accessed 3 Apr. 2025.

Kids Definition

1
: of or relating to an enemy
hostile troops
2
: showing open resistance or opposition
a hostile critic
hostile to new things
3
: not hospitable : forbidding
a hostile environment
Etymology

from early French hostile or Latin hostilis, both meaning "hostile," from Latin hostis "stranger, enemy" — related to hospital, host entry 1

Legal Definition

hostile

adjective
hos·​tile
1
: having an intimidating, antagonistic, or offensive nature
a hostile work environment
2
a
: of or relating to an opposing party in a legal action
a hostile claim
b
: adverse to the interests of a party to a legal action
if the interests of the party joined involuntarily render him hostile to the original plaintiff, he must remain a defendant J. H. Friedenthal et al.
3
a
: adverse to or incompatible with the interests of a property owner
a hostile use
see also adverse possession at possession, easement by prescription at easement, prescription sense 1
b
: unwelcome by or contrary to the interests of corporate stockholders or management
a hostile takeover bid

More from Merriam-Webster on hostile

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