hard
//hɑːrd//
Adjective
harderComparative
hardestSuperlative
1
Solid, firm, and resistant to pressure; not easily broken, bent, or pierced
This rock is very hard.
2
Requiring a great deal of effort, energy, or endurance; difficult
This is a very hard test.
3
Done with a great deal of force or strength
He gave the door a hard push.
4
Harsh, severe, or unpleasant to endure
Life was hard for them during the war.
5
(of information or evidence) Reliable, definite, and based on facts
We need hard evidence to prove our case.
Adverb
harderComparative
hardestSuperlative
1
With a great deal of effort, energy, or intensity
She worked hard to finish the project on time.
2
With force or strength
He hit the ball hard.