Indivisible
Inseparable
noun, な adjective, の adjective
When it's not possible to divide something, that makes it indivisible or inseparable.
不可分 is a formal term describing something that is inherently linked and can't be separated without losing its meaning or function.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
今って、ネットとリアルはほぼ不可分になってしまっていますよね？
Nowadays, the Internet and the real world have become almost inseparable, haven't they?
正直、AIの使用は、もはや自身の生活と不可分になっています。
Honestly, the use of AI has become inseparable from my life.
ご存知のように、ワニカニではワニとカニは不可分です。
As you know, in WaniKani, the alligator and crab are inseparable.