"peeping" in the verb sense

1. peep

look furtively

"He peeped at the woman through the window"

2. peep

cause to appear

"he peeped his head through the window"

3. peep, cheep, chirp, chirrup

make high-pitched sounds

"the birds were chirping in the bushes"

4. peep

speak in a hesitant and high-pitched tone of voice

5. peep

appear as though from hiding

"the new moon peeped through the tree tops"

Source: WordNet® (An amazing lexical database of English)

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