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
Excellent
No
Mountainous
The word that best describes me is special.
The word that best describes what happens in a book is plot.
awkward/humiliating predicament
a word that best describes muhammad is intellegent unlike some blondes
Energy best describes work.
What word best describes the Sherman Antitrust Act of 1890
Small best describes a worm hole.
Inherent
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 "inactive" best describes someone who is inert. It implies a lack of movement or activity.
The word pit best describes it.