Is difficile masculin or feminin in french?

"Difficile" is an adjective in French, and adjectives are neither masculine nor feminine. They change their endings to agree with the noun they are describing.

Here are some examples:

* Un problème difficile (a difficult problem - masculine noun, masculine adjective ending)

* Une tâche difficile (a difficult task - feminine noun, feminine adjective ending)

So, "difficile" is neither masculine nor feminine; it takes the appropriate ending depending on the noun it modifies.