peaky
/ˈpiːki
/adjective (peakier, peakiest) [predicative] British
Pale from illness or fatigue; sickly: you’re looking a bit peaky—a change of scene would do you good...
- She was already starting to look peaky and pale.
- I won't go into the gory details about what's been making me peaky.
- I was feeling a bit peaky tonight, and I crept off to bed early, and dropped off, despite the soundtrack burbling away in the background.
Origin
Early 19th century: from peak2 + -y1.