i think its the second one (peaked) because it matches the sentence
Explanation:
Adj. 1. peaked - somewhat ill or prone to illness; "my poor ailing grandmother"; "feeling a bit indisposed today"; "you look a little peaked"; "feeling poorly"; "a sickly child"; "is unwell and can't come to work" ailing, indisposed, poorly, under the weather, unwell, sickly, seedy.