hard

US /hɑːrd/
UK /hɑːrd/
"hard" picture
1.

solid, firm, and resistant to pressure; not easily broken, cut, or pierced

:
The ground was hard from the frost.
Diamonds are the hardest known natural material.
2.

difficult to do, understand, or deal with

:
It was a hard decision to make.
The exam was really hard.
3.

needing or using a lot of effort or energy

:
She put in a lot of hard work.
It's a hard climb to the top of the mountain.
1.

with a great deal of effort or intensity

:
He worked hard to finish the project on time.
It rained hard all night.
2.

with difficulty

:
He breathed hard after running the marathon.
She found it hard to believe his story.