To-Hard-Too-Hard | Commonly Confused Words

To hard

/tʊ hɑːrd/

To make something more firm or less easy to move or break.

This word has no synonyms

This word has no antonyms

/tuː hɑːrd/

Very difficult to do or understand

To hard usually appears in incorrect constructions; remember that to is often used before a verb, like to go.
Too hard with two os is used to indicate something excessive or more than what is needed.
Remember that too can be replaced with very in many cases to check if it fits logically.
To as a preposition often points to direction or purpose, not degree.
The word too functions as an adverb and is used to give an additional degree to an adjective.