The term 'peep' is used to describe a variety of different sounds and activities. The crossword solutions for this term include 'CHEEP' (5 letters), which is a high-pitched chirping sound made by birds; 'SQUEAK' (6 letters), which is a short, high-pitched sound made by some animals; 'SNOOP' (5 letters), which is to investigate or search for information in an intrusive way; 'LOOK' (4 letters), which is to use one's eyes to SEE something; 'SPY' (3 letters), which is to observe secretly; 'CRY' (3 letters), which is to shed tears; 'SEE' (3 letters), which is to perceive with the eyes; and 'PRY' (3 letters), which is to LOOK into something in an intrusive way. All of these words are related to the term 'peep' in some way, either through sound or activity.