To reach a highest degree or maximum.
Historians argue about when the Roman Empire began to peak and ultimately decay.
To rise or extend into a peak or point; to form, or appear as, a peak.
To raise the point of (a gaff) closer to perpendicular.
To become sick or wan.
To acquire sharpness of figure or features; hence, to look thin or sickly.
To pry; to peep slyly.
The act of something reaching a peak.
Peaky; sickly; pining