We can add the suffix –less (meaning without) to some nouns and create a new adjective. I’ll mention some of them:
Helpless – not able to do something, powerless.
They were helpless during the storm.
Endless – Being or seeming to be without end.
The queue in front of the cashier seemed endless.
Harmless – not able to cause damage.
Don’t worry about the dog, it’s harmless.
Heartless – cruel, careless.
People who get rid of their pets are heartless.
Fearless – have no fear.
Superman is fearless.
Careless – not paying enough attention.
Tom has to pay a fine for careless driving.
Homeless – be without a place to live.
10,000 people have been made homeless in yesterday’s earthquake.
Worthless – have no value.
That dress is beautiful but it’s worthless if it doesn’t fit you.
Priceless – extremely valuable.
Some of Van Gogh’s paintings are priceless.