Castaway

Gr. adokimos, (1 Cor. 9:27), one regarded as unworthy (R.V., “rejected”); elsewhere rendered “reprobate” (2 Tim. 3:8, etc.); “rejected” (Heb. 6:8, etc.).

Part of speech: noun (n.)

1. One who, or that which, is cast away or shipwrecked.

2. One who is ruined; one who has made moral shipwreck; a reprobate. Lest . . . when I have preached to others, I myself should be a castaway. 1 Cor. ix. 27.

Part of speech: adjective (a.)

Of no value; rejected; useless.