*SET-U

English word origin

Etymology of dull

From Middle English dull, dul (also dyll, dill, dwal), from Old English dol (“dull, foolish, erring, heretical; foolish, silly; presumptuous”), from Proto-West Germanic *dol, from Proto-Germanic *dulaz, from earlier *dwu

2 source sectionsExtended source reportWiktionary original ↗
In this entry · 2 source sections

The source etymologies

Wiktionary via Kaikki / Wiktextract

The source reports below are imported and unreviewed by *SET-U. Separate numbered origins and differing source variants are preserved; agreement within this extraction is not independent corroboration.

Source etymology 1

Original entry ↗
adj

Lacking the ability to cut easily; not sharp. · Boring; not exciting or interesting. · Not shiny; having a matte finish or no particular luster or brightness. · Not bright or intelligent; stupid; having slow understanding.

verb

To render dull; to remove or blunt an edge or something that was sharp. · To soften, moderate or blunt; to make dull, stupid, or sluggish; to stupefy. · To lose a sharp edge; to become dull. · To render dim or obscure; to sully; to tarnish.

Selected source glosses provide context, not a complete modern definition inventory

From Middle English dull, dul (also dyll, dill, dwal), from Old English dol (“dull, foolish, erring, heretical; foolish, silly; presumptuous”), from Proto-West Germanic *dol, from Proto-Germanic *dulaz, from earlier *dwulaz, a variant of *dwalaz (“stunned, mad, foolish, misled”), from Proto-Indo-European *dʰwel-, *dʰewel- (“to dim, dull, cloud, make obscure, swirl, whirl”). Cognate with Scots dull, doll (“slow to understand or hear, deaf, dull”), North Frisian dol (“rash, unthinking, giddy, flippant”), Dutch dol (“crazy, mad, insane”), Low German dul, dol (“mad, silly, stupid, fatuous”), German toll (“crazy, mad, wild, fantastic”), Danish dval (“foolish, absurd”), Icelandic dulur (“secretive, silent”), West-Flemish dul (angry, furious).

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

  • Inherited-form mentiondullenm
  • Inherited-form mentiondolang · dull, foolish, erring, heretical; foolish, silly; presumptuous
  • Inherited-form mention*dolgmw-pro
  • Inherited-form mention*dulazgem-pro
  • Inherited-form mention*dʰwel-ine-pro
  • Cognate mentiondullsco
  • Cognate mentiondolfrr
  • Cognate mentiondolnl
  • Cognate mentiondulnds
  • Cognate mentiontollde
  • Cognate mentiondvalda
  • Cognate mentionduluris

This page abbreviates 7 auxiliary source items. The etymology narrative is not shortened. Omission counts are available in the audit fields below; consult the original for complete auxiliary material.

Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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      "name": "inh",
      "args": {
        "1": "en",
        "2": "enm",
        "3": "dull"
      },
      "expansion": "Middle English dull"
    },
    {
      "name": "inh",
      "args": {
        "1": "en",
        "2": "ang",
        "3": "dol",
        "t": "dull, foolish, erring, heretical; foolish, silly; presumptuous"
      },
      "expansion": "Old English dol (“dull, foolish, erring, heretical; foolish, silly; presumptuous”)"
    },
    {
      "name": "inh",
      "args": {
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        "2": "gmw-pro",
        "3": "*dol"
      },
      "expansion": "Proto-West Germanic *dol"
    },
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        "2": "gem-pro",
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      },
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    },
    {
      "name": "cog",
      "args": {
        "1": "sco",
        "2": "dull"
      },
      "expansion": "Scots dull"
    },
    {
      "name": "cog",
      "args": {
        "1": "frr",
        "2": "dol",
        "3": "",
        "4": "rash, unthinking, giddy, flippant"
      },
      "expansion": "North Frisian dol (“rash, unthinking, giddy, flippant”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "nl",
        "2": "dol",
        "3": "",
        "4": "crazy, mad, insane"
      },
      "expansion": "Dutch dol (“crazy, mad, insane”)"
    },
    {
      "name": "cog",
      "args": {
        "1": "nds",
        "2": "dul"
      },
      "expansion": "Low German dul"
    },
    {
      "name": "cog",
      "args": {
        "1": "de",
        "2": "toll",
        "3": "",
        "4": "crazy, mad, wild, fantastic"
      },
      "expansion": "German toll (“crazy, mad, wild, fantastic”)"
    },
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      "name": "cog",
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        "2": "dval",
        "3": "",
        "4": "foolish, absurd"
      },
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    },
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        "2": "dulur",
        "3": "",
        "4": "secretive, silent"
      },
      "expansion": "Icelandic dulur (“secretive, silent”)"
    }
  ],
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      "dull",
      "dull#Middle_English"
    ],
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      "dul#Middle_English"
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      "dyll#Middle_English"
    ],
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      "dill",
      "dill#Middle_English"
    ],
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      "dwal",
      "dwal#Middle_English"
    ],
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      "dol",
      "dol#Old_English"
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      "Reconstruction:Proto-West Germanic/dol"
    ],
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      "*dulaz",
      "Reconstruction:Proto-Germanic/dulaz"
    ],
    [
      "*dwulaz",
      "Reconstruction:Proto-Germanic/dwulaz"
    ],
    [
      "*dwalaz",
      "Reconstruction:Proto-Germanic/dwalaz"
    ],
    [
      "*dʰwel-",
      "Reconstruction:Proto-Indo-European/dʰwel-"
    ],
    [
      "*dʰewel-",
      "Reconstruction:Proto-Indo-European/dʰewel-"
    ],
    [
      "dull",
      "dull#Scots"
    ],
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      "doll",
      "doll#Scots"
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      "dol",
      "dol#North_Frisian"
    ],
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      "dol",
      "dol#Dutch"
    ],
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      "dul",
      "dul#Low_German"
    ],
    [
      "dol",
      "dol#Low_German"
    ],
    [
      "toll",
      "toll#German"
    ],
    [
      "dval",
      "dval#Danish"
    ],
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      "dulur",
      "dulur#Icelandic"
    ],
    [
      "West-Flemish",
      "West Flemish"
    ]
  ],
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        "Lacking the ability to cut easily; not sharp.",
        "Boring; not exciting or interesting.",
        "Not shiny; having a matte finish or no particular luster or brightness.",
        "Not bright or intelligent; stupid; having slow understanding."
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}

Source etymology 2

Original entry ↗
verb

To fish (or snare an animal, especially a fish) with such a noose.

noun

A noose of string, metal wire, or hair used to snare an animal, especially a fish.

Selected source glosses provide context, not a complete modern definition inventory

Probably from Irish dul, dol (“loop, noose, snare”).

Relationships mentioned by the source

These are extracted mentions, not a timeline or a verified sequence of immediate parents.

  • Borrowed-form mentiondulga
Inspect preserved source fields

Raw extraction fields are retained for auditing. Their order does not establish ancestry.

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  "links": [
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    ]
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  "references": [],
  "descendants": [],
  "lexical": [
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        "To fish (or snare an animal, especially a fish) with such a noose."
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Where this record stops

This page does not supply an independently verified sound-change sequence, first-use manuscript or complete family tree unless a cited analysis explicitly establishes one. Missing detail here is a limit of this record—not a claim that humanity knows nothing more.

An older meaning does not determine what a word must mean today. Follow the sources, preserve disagreements, and keep ancestry separate from interpretation.

Contribute located evidence for dull →

Source and snapshot

Imported from Wiktionary contributors; extracted by Tatu Ylonen / Wiktextract / Kaikki.org. Selected fields are reformatted and grouped; wording, source identity and etymology sections are retained. CC-BY-SA-4.0 applies to the imported source material.

Dump: 2026-10-01 · Extracted: 2026-10-30. These are snapshot dates, not the word’s first attestation or the page’s revision date.

Source entry and bibliography ↗Wiktionary revision history ↗Acquisition and rights ledger
Machine-source provenance
Source SHA-256
5ff2c072f8099f2d2ce484bd6957bf179f046d2ad37bc36555edf8bb84cb5291
Import run
73216b9a9b78ed3830994bf853103716f5a4dc57099e371e9f8fdc468facca26
Permanent entry ID
w-ZHVsbA