In what context: harder as in metals, or harder as in difficult?
Yes
The opposite of "easier" is "harder."
always get harder
Hard
Try harder can be the other way to replace work harder, too.
in what context it is harder than stone = katai its harder homework = moto musukashii
Precise.
Sometimes; It depends on the context. When you use the word "harder" as for difficulty level, then yes, tougher is a synonym for harder. If you are talking about the firmness of an object, tougher is NOT a synonym for harder. Or if you're talking about the chewyness of something.
its an adjective
The harder a word is, the harder it is to spell the word. The online website, Spell Zone, gives tips on how to learn to spell even the hardest words.
normal people use the internet but geeks use dictionary's. i now how you get a word for phrases like for example if you pretend to not be good at something then you bet money or something then you do it right that time after you've bet the money then that is classed as hustling. d ya get me now. you could go on to google and type in your easy word and after that type harder word. like this: killing a harder word or a harder word for killing try it out!
I say you should study harder. - presentI said you should study harder. - past
A coach can provoke you into working harder.