ESV: They profess to know God, but they deny him by their works. They are detestable, disobedient, unfit for any good work.
NIV: They claim to know God, but by their actions they deny him. They are detestable, disobedient and unfit for doing anything good.
NASB: They profess to know God, but by their deeds they deny Him, being detestable and disobedient and worthless for any good deed.
CSB: They claim to know God, but they deny him by their works. They are detestable, disobedient, and unfit for any good work.
NLT: Such people claim they know God, but they deny him by the way they live. They are detestable and disobedient, worthless for doing anything good.
KJV: They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good work reprobate.
NKJV: They profess to know God, but in works they deny Him, being abominable, disobedient, and disqualified for every good work.