peaky

/ˈpiːki/
adjective
  1. Pale, sickly, or looking unwell; having a slightly ill or tired appearance.
    • The doctor said he was just a little peaky from lack of sleep.
    • After the long hike, she felt peaky and needed to sit down.
    • You look a bit peaky today — are you feeling okay?
  2. Having or forming a peak; pointed or sharp at the top.
    • The peaky mountain stood out against the blue sky.
    • He wore a peaky cap that shaded his eyes from the sun.
    • The graph had a peaky shape, with a sharp rise and fall.
Antonyms
What does "peaky" mean? | whatsthatwordmean | whatsthatwordmean