Find the odd number / letters / word from the given alternative.

The odd word in the given list is “again”. The other words, “before”, “now”, “after”, and “then”, are all words that can be used to describe time. “Again” is not a word that can be used to describe time. It is a word that means “once more” or “repeatedly”.

Here are some examples of how the other words can be used to describe time:

• Before: I went to the store before I went home.
• Now: I am at home now.
• After: I will go to the park after I eat dinner.
• Then: I went to the store, and then I went home.