IPA: /ˈdɪfɪkəlt/
KK: /ˈdɪfɪkəlt/
Not easy to understand, do, or deal with; requiring a lot of effort or skill.
Solving this math problem is quite difficult for me.
Comparative: more difficult
Superlative: most difficult
Difficult is formed from "difficilis" (from Latin, meaning hard to do) and the suffix "-t" (indicating a state or condition). The word "difficult" means in a state of being hard to accomplish or requiring effort.
Think of something that is 'hard to do' — that's what 'difficult' means.