I. peaked ˈpēkt, -kə̇d, dial ˈpikə̇d adjective
Etymology: Middle English peked, alteration of piked — more at piked
: having a peak : rising to or ending in a peak : pointed
pointed to the peaked ceiling — Erle Stanley Gardner
the peaked hills of the islands — William Black
II. peak·ed ˈpēkə̇d, dial ˈpikə̇d adjective
Etymology: from past participle of peak (I)
: looking pale and wan : sickly , thin
the boy looked sallow and peaked , slept uneasily — Aldous Huxley
they were smiling, but … both looked a little peaked — Ellery Queen