Word Adjective
brainless
adj.
B2 Upper Intermediate US /ˈbɹeɪnɫɪs/ UK /bɹˈeɪnləs/ brain·less
Definition
adj.describing someone who is very stupid or lacks common sense. It is a strong word that people use to show they think someone is acting like a fool.
adj.lacking intelligence or common sense; acting in a foolish or thoughtless manner. Often carries a derogatory or dismissive tone in informal contexts.
Examples
“It was a brainless mistake to leave the keys in the car.”
“The politician made a brainless comment about the economy that immediately cost him his job.”
“While the plan seemed brilliant on paper, the brainless execution led to a total collapse of the project's budget and timeline.”
Etymology
From Middle English braynles; equivalent to brain + -less.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
This entry
Origin Middle English braynles
Level B2 · Upper Intermediate
Frequency Occasional
Updated