Fits adjectives are listed in this post. Each word below can often be found in front of the noun fits in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing FITS.
ague, alternate, angry, apoplectic, bad, best, better, cold, convulsive
dreadful, drunken, epileptic, fainting, frequent, good, hot, hysteric, hysterical
individual, jealous, key, linear, little, long, longer, loud, mad
many, more, nervous, occasional, other, own, painful, periodic, periodical
several, severe, short, size, spasmodic, strange, such, sudden, sullen
terrible, transient, uncontrollable, violent, wild
Hope this word list had the adjective used with fits you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.