The complicated English words fell awkwardly from his tongue.
He didn't dare touch the switch with the complicated three-syllable word on it.
Every few letters, there are other, increasingly more complicated word- and sentence-building activities.
'Illuminate' might just be the most complicated word of the lot.
If he mangled some complicated word she would only laugh.
The entire poem is rephrased using more complicated and lesser known words.
She is a good librarian with a passion for unusual, complicated words.
Big complicated words that are intentionally invented so people can't understand them.
They also think he uses many complicated words when he does not need to.
Instead of using complicated words, she wrote with simple words and compositions.