hidden or not visible

छिपा हुआ

English Usage: The concealed weapon was not detected by security.

Hindi Usage: छिपा हुआ हथियार सुरक्षा द्वारा नहीं ढूंढा गया।

Describing something that is hidden or not visible, often used metaphorically.

छिपा हुआ

English Usage: She felt a buried sense of sadness after the move.

Hindi Usage: स्थानांतरित होने के बाद उसे एक छिपी हुई उदासी महसूस हुई।

Past tense of 'hide', referring to a completed action.

छिपाया

English Usage: He hided in the closet during the game.

Hindi Usage: वह खेल के दौरान अलमारी में छिपा।