How do you abbreviate the word large?

There isn't a universally accepted abbreviation for "large." However, depending on the context, you could use:

* Lg: This is a common abbreviation used in commerce, such as sizing charts for clothing.

* L: This is another common abbreviation used in various contexts, like size categories (e.g., L for "large" in a size chart) or scientific/technical fields.

* Big: This is a more informal and colloquial way to abbreviate "large."

The best abbreviation for "large" will depend on the specific situation and your audience.