When would you use the word mightier and mightiest?

You would use "mightier" and "mightiest" when comparing the strength, power, or influence of two or more things.

Here's a breakdown:

Mightier:

* Comparative adjective: Used to compare the strength or power of two things.

* Example: "The lion is mightier than the tiger."

* Other examples: "The mightier the force, the more difficult it is to control." "Her voice was mightier than any argument."

Mightiest:

* Superlative adjective: Used to indicate the greatest strength or power among three or more things.

* Example: "The elephant is the mightiest animal on land."

* Other examples: "The mightiest empire in history was Rome." "The mightiest weapon of all is kindness."

Here are some key points to remember:

* "Mightier" implies a comparison between two entities, while "mightiest" implies a comparison among three or more entities.

* "Mightier" and "mightiest" can be used figuratively to refer to intangible qualities like determination, will, or influence.

* While "stronger" and "strongest" are more common synonyms for "mightier" and "mightiest," "mightier" and "mightiest" emphasize a more powerful and authoritative strength.