1. brainwave

noun. (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.


  • beta wave
  • brain wave
  • delta wave
  • theta wave
  • alpha wave
  • cortical potential
  • alpha rhythm
  • bioelectricity
  • beta rhythm
  • theta rhythm


  • imprudence
  • lose
  • stay
  • fearlessness

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2. brainwave

noun. the clear (and often sudden) understanding of a complex situation.


  • savvy
  • discernment
  • find
  • brainstorm
  • apprehension
  • discovery
  • breakthrough
  • light
  • understanding
  • revelation
  • flash


  • judiciousness
  • injudiciousness
  • tasteful
  • tasteless

Example sentences of the word brainwave

1. Noun, singular or mass
Decorating the nose is also important because the ancients believed the sixth sense, which represents brainwave focus, is located just above the end of the nose.

2. Verb, non-3rd person singular present
Heart rate, skin temperature, blood pressure and brainwave activity can all be indicators of a person's stress level, pain sensations and emotional state.