Word.ws English Dictionary

lackbrains

lackbrains is the plural of lackbrain.

Meaning of lackbrain

Noun

lackbrain (plural lackbrains)

  1. (derogatory) A person who lacks brains; an idiot.
    • Among themselves, his clerical brethren who employed him to produce revivals, acknowledged him to be but a pitiful lackbrain...1841, George Rogers, Tales from Life

Questions about lackbrains

What is lackbrains the plural of?
Lackbrains is the plural of lackbrain.

Words near lackbrains in the dictionary

  1. Lackawanna
  2. Lackawanna County
  3. Lackawaxen
  4. lackbrain
  5. lackbrained
  6. lackbrains
  7. lacke
  8. lacked
  9. Lackenby
  10. lacker
  11. lackerage

Source and license

Adapted from Wiktionary: lackbrains (page history and authors); lackbrain (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “lackbrains.” Word.ws, https://word.ws/lackbrains. Based on Wiktionary, CC BY-SA 4.0.