Useless

1.

(Unserviceable, worthless, producing no results, vain) ដែលឥតប្រយោជន៍
Example: Feeling useless, it is useless to.
Example: A car is useless without petrol.

2.

(បច្ចេកទេស) ដែលឥតប្រយោជន៍

1.

Having, or being of, no use; unserviceable; producing no good end; answering no valuable purpose; not advancing the end proposed; unprofitable; ineffectual; as, a useless garment; useless pity.

1.

abortive, empty, fruitless, idle, ineffectual, pointless, unavailing, valueless, vain, vapid, worthless

1.

effective, potent, profitable