Infinite
Limitless
な adjective, の adjective
The limit is nothing. What? No limit? That means it will never stop! It is infinite!
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.
若者には、無限の可能性がある。
Young people have infinite possibilities.
この世に無限なものなんてある？
Is anything infinite in this world?
今は絶好調のように思えるが、需要は無限には増加しないだろう？
The situation looks bright at the moment, but the demand won’t increase indefinitely, right?