TO ABUSE - [verb] to say something rude or cruel to somebody; to treat somebody cruelly and violently
Examples of use
He wanted to apologize for having abused me at the party, but I've heard too many cruel words to forgive him.
Sue was beaten and sexually abused by her neighbour, so her husband called to police.
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English speaking practise
Remember that if you don't use that word in English conversations or writing you'll forget it in a short time. So the best thing you can do to learn this word is just trying to use it in speaking or writing. Remember also that practise is the key to fluent english speaking.
You can always find a partner, who would also like to improve his/her