- a game played by or with very young children, typically in which one covers the face or hides and then suddenly uncovers the face or reappears, calling “Peekaboo!”
- Clothing.
- decorated with openwork.
- made of a sheer and revealing material, as some blouses for women.
- appearing briefly and then vanishing, or promising to appear but failing to do so: the fluctuating response of the stock market to a peekaboo economic recovery.
- a game for young children, in which one person hides his face and suddenly reveals it and cries "peekaboo."
- (of a garment) made of fabric that is almost transparent or patterned with small holes
