Lamebrain

//ˈleɪmˌbɹeɪn// adj, noun, slang

adj, noun, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    A fool. derogatory, slang

    "You lamebrain! How could you do something so stupid?"

Adjective
  1. 1
    lamebrained, foolish

    "We're not going to introdce the lame brain legislation [NGTF] is talking about. We want solid stuff. We want to talk about opening up billions of dollars of funding into mental health and social services, for all alternative lifestyles not just gays."

Synonyms

All synonyms
airheadassweedblitherblockboeotianbonehead

Example

More examples

"You lamebrain! How could you do something so stupid?"

Etymology

From lame + brain.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.