She took a peep through the keyhole to see what was happening inside.
A short, high-pitched sound or utterance, especially by a young bird or a small animal. The chick let out a tiny peep as it hatched from its egg.
A small, marsh-dwelling sandpiper or similar bird. We spotted a peep wading in the shallow waters of the marsh.
Any slight sound or word, especially an expression of complaint or protest. I don't want to hear a peep out of you until dinner is ready.
The first appearance of daylight; dawn (used chiefly in the phrase "the peep of day"). She woke at the peep of day and started her journey.
Slang. A person, especially a friend or acquaintance (used chiefly in the plural peeps to mean “people”). You're my favorite peep—thanks for always having my back.