Adjective are the words that describe a noun (fungus is a noun), but we don't know the situation referred to so can't provide an adjective specific to that situation. Here are some general adjectives for fungus:
The word that best describes me is special.
Which of these best describes the tone in the above
No
Excellent
Mountainous
The word that best describes me is special.
awkward/humiliating predicament
The word that best describes what happens in a book is plot.
a word that best describes muhammad is intellegent unlike some blondes
Energy best describes work.
Small best describes a worm hole.
What word best describes the Sherman Antitrust Act of 1890
Inherent
Another word for fungus is saprophyte.
The word root for fungus is "fung-", derived from the Latin word "fungus" meaning mushroom.
The one word that describes this person is PERFECT ...
The word pit best describes it.