English Reference
adjective

headless

adj.
US /ˈhɛdɫəs/ UK /hˈɛdləs/ head·less

  1. 01 B2 Upper Intermediate

    missing a head, like a statue or a body.

    lacking a physical head; often used in historical or artistic contexts.

    Simple

    The museum displayed a headless statue from the Roman era.

    In context

    The headless torso of the marble sculpture suggests it was damaged during the city's fall centuries ago.

  2. 02 C1 Advanced Formal

    describing a group or organization that does not have a leader.

    lacking a leader, chief, or governing head.

    Simple

    The company was headless for months after the CEO suddenly resigned.

    In context

    The rebellion remained a headless movement, failing to coordinate its efforts due to the lack of a central authority.

    leaderlessunmanaged
    led
  3. 03 C1 Advanced Technical Computing

    a computer or software that works without a screen or keyboard.

    referring to a computer system or software application that operates without a graphical user interface or attached peripheral devices.

    Simple

    We set up a headless server in the basement to store all our files.

    In context

    Running the browser in headless mode allows developers to perform automated testing without the overhead of a visual interface.

    automatedserver side
  4. 04 C2 Proficiency Technical Science

    a phrase that does not have a main word that gives it its meaning.

    describing a construction or phrase that lacks a head morpheme or word that determines its grammatical category.

    Simple

    The teacher explained how a headless phrase works in this sentence.

    In context

    In theoretical linguistics, the analysis of headless relative clauses remains a subject of significant debate regarding syntactic structure.

    exocentric
  5. 05 B2 Upper Intermediate Informal

    a glass of beer or another drink that has no bubbles or foam on top.

    lacking a head of foam, typically in reference to carbonated beverages like beer.

    Simple

    He complained to the bartender when he was served a headless pint of ale.

    In context

    The beer was poured too slowly, resulting in a headless glass that looked unappealing to the customer.

    frothy

From Middle English heedles, hevedles, from Old English hēafodlēas (“headless”), equivalent to head + -less. Cognate with Dutch hoofdloos (“headless”), Danish hovedløs (“headless”), Swedish huvudlös (“headless”), Icelandic höfuðlaus (“headless”). Piecewise doublet of chefless and chiefless.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Old English hēafodlēas
Level B2 · Upper Intermediate
Frequency Occasional
Updated