Peak
Part of speech: verb
Definition: To reach a highest degree or maximum.
Part of speech: noun
Definition: A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap. The top, or one of the tops, of a hill, mountain, or range, ending in a point; often, the whole hill or mountain, esp. when isolated; as, the Peak of Teneriffe. The upper aftermost corner of a fore-and-aft sail; -- used in many combinations; as, peak-halyards, peak-brails, etc. The narrow part of a vessel's bow, or the hold within it. The extremity of an anchor fluke; the bill. For sine waves, the point at which the value of y is at its maximum.
Example sentence: We approached Athens from the north in early twilight, climbing a hill. When we reached its peak, we were dazzled to look down and see the Acropolis struck by one beam of the setting sun, as if posing for a picture.
Superlative
Part of speech: adjective
Definition: Exceptionally good; of the highest quality; superb.Of or relating to a superlative.
Part of speech: noun
Definition: The highest extent or degree of something.The form of an adjective that expresses which of more than two items has the highest degree of the quality expressed by the adjective; in English, formed by appending "-est" to the end of the adjective (for some short adjectives only) or putting "most" before it.An adjective used to praise something exceptional.