He began gesticulating in a peculiar way, as though trying to act out some unknown word.

He turned to the still figure of Arctela and spoke an unknown word.

When confronted with an unknown word, the learner became confused.

The starting team is given the first letter of the unknown word.

The natural place for a person to look for information about an unknown word is in a dictionary.

She then writes an unknown word on her hand.

If it was ended, he had become a container of unknown words.

In our minds we read the meaning of those unknown words.

There could be more learned from even unknown words that might have meaning.

One must continuously search for unknown words, and consequently interest is lost.