It may not only be the new and unusual words that you will have to look up.

There are some unusual words used in word processing and computing.

The unusual words added to the strangeness of the events.

An audience member would be brought onto the stage and presented with an unusual word.

But what should we call such an unusual word?

Few thought the words, however unusual, would stir any controversy.

Found that unusual words and sentence length were among the first causes of reading difficulty.

She described it by a rather unusual word to use, as pilgrimage.

The whole letter appears to be the work of an intelligent man, whose mind ran faster than his pen, except when he wrote unusual words.

She is a good librarian with a passion for unusual, complicated words.