ἀχρεῖος achreîos

Meaning

useless, i.e. (euphemistically) unmeritorious

In the King James Version: unprofitable

Derivation: from G1 (Α) (as a negative particle) and a derivative of G5534 (χρή) (compare G5532 (χρεία));

Where it is used

• Matthew 25:30 And throw that worthless servant into the outer darkness, where there will be weeping and gnashing of teeth.’
• Luke 17:10 So you also, when you have done everything commanded of you, should say, ‘We are unworthy servants; we have only done our duty.’”