Free
Without Charge
noun, の adjective
When the fee is nothing it is free and without charge!
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.
コストコで無料のサンプルを食べ歩くのが好きです。
I like walking around eating free samples at Costco.
ワニカニは、レベル三まで無料で利用できます。
WaniKani is available for free until level three.
クリスマス、一人ぼっちで過ごしたくないんだけど、もう予定立てちゃった？もしまだなら、ポール・マッカートニーのチケットが二枚あるんだけど、無料で一枚プレゼントするよ。
I don’t want to be alone for Christmas, have you made plans already? If not, I have two Paul McCartney concert tickets and I could give you one for free.