useful vs useless
- having a useful function
- being of use or service
The figures are a useful guideline when buying a house.
Wait outside in case you can be useful.
A useful treatment method is the potent loop diuretic, furosemide, along with the hypertonic saline.
- having no beneficial use or incapable of functioning usefully
Speed ramps along College Road, put in to try and dissuade boy racers who use the road to cut from one side of the town to the other, have been branded useless.
I astound myself with my memory for useless childhood trivia.
I shrugged uselessly, before I turned to hear Alex's laugh vibrating in the room.