Legal Definitions - et al.

Definition: Et al. is short for the Latin expression “et alia,” “et alius,” or “et alii.” Et al. means “and others” or “and the other people” and usually follows the name of a person or a list of names and represents the remainder of the group.

• Smith et al. conducted a study on the effects of caffeine on sleep.
• The article was written by Johnson, Lee, and et al.

These examples show how "et al." is used to refer to additional authors or participants in a study or project. In the first example, Smith is the lead author and "et al." represents the other researchers who contributed to the study. In the second example, Johnson and Lee are named specifically, but "et al." is used to refer to any additional authors who may have contributed to the article.