preoccupied

Definition

Absorbed in thought, especially about a specific concern, to the extent of being unaware of one's surroundings.

हिन्दी किसी विशिष्ट चिंता के बारे में इतने अधिक विचार में डूबे होना कि अपने आसपास की चीज़ों का ध्यान न रहे।

Example

"He seemed preoccupied during dinner, staring blankly at his plate."