harder
adj.adj. more difficult to do or understand than something else. It can also describe a surface that is more solid and does not bend.
adj. the comparative form of hard, indicating a greater degree of physical solidity or a higher level of difficulty.
This new math problem is much harder than the last one.
The ground becomes much harder during the winter months when the temperature stays below freezing for several days.
As the project progressed into its final stages, the team realized that securing additional funding would be significantly harder than they had initially anticipated.
From hard + -er.
From Afrikaans haarder (“mullet”).
The comparative form of 'hard'; typically followed by 'than' when making a direct comparison.
This task is more harder.This task is harder.'Hard' is a one-syllable adjective, so it takes the '-er' suffix; using 'more' with it is a double comparative error.