New King James Version
Whoever commits sin also commits lawlessness, and sin is lawlessness.

King James Bible
Whosoever committeth sin transgresseth also the law: for sin is the transgression of the law.

American Standard Version
Every one that doeth sin doeth also lawlessness; and sin is lawlessness.

Berean Study Bible
Everyone who practices sin practices lawlessness as well. Indeed, sin is lawlessness.

Douay-Rheims Bible
Whosoever committeth sin commmitteth also iniquity; and sin is iniquity.

English Revised Version
Every one that doeth sin doeth also lawlessness: and sin is lawlessness.

World English Bible
Everyone who sins also commits lawlessness. Sin is lawlessness.

Young's Literal Translation
Every one who is doing the sin, the lawlessness also he doth do, and the sin is the lawlessness,

1 John 3:4 Additional Translations ...