ENGLISH
REFERENCE

hostility

n.
US //hɑˈstɪɫəti// UK //həstˈɪlɪti// hos·til·i·ty
  1. 1 unfriendliness or anger (n.)
    C1 Advanced Formal

    a strong feeling of unfriendliness or disagreement toward someone or something.

    the state of being hostile; an antagonistic or unfriendly attitude or disposition.

    Example

    There was a lot of hostility between the two neighbors after the fence was built.

    Example

    The proposed changes to the contract met with open hostility from the union representatives during the initial negotiations.

    Usage

    Often used with the preposition 'toward' or 'towards'.

  2. 2 military fighting (n.)
    C1 Advanced Formal

    acts of fighting in a war.

    hostile behavior or direct military action; frequently used in the plural to denote active warfare.

    Example

    The two countries agreed to end all hostility and sign a peace treaty.

    Example

    The sudden outbreak of hostilities along the border forced the international community to intervene before the conflict escalated further.

    Usage

    Commonly appears in the plural form 'hostilities' when referring to a state of war.

Origin

From Middle English hostilitie, hostilite, from Old French hostilité, from Latin hostīlitās. By surface analysis, hostile + -ity.

© 2026 English Reference