adverb
from one's home; without leaving the house; without moving from one's chair
Describes doing something while staying at home or without moving from one's seat. Often used in the pattern いながらにして.
See also: いながらにして
いながらにして世界中の情報が手に入る。
You can get information from all over the world without leaving your home.
彼は居ながらにして会議に参加した。
He attended the meeting from his home.
Compound of 居 (i, continuative form of いる 'to be, to sit') + ながら ('while'). Literally 'while being (at home/one's seat)'.