excrescent

/ɪkˈskrɛsənt/
adjective
  1. Growing out abnormally from a surface, like a lump or outgrowth.
    • The tree had an excrescent knot on its trunk.
    • The old building had excrescent additions that ruined its original shape.
    • Doctors removed an excrescent cyst from the patient's skin.
  2. Unnecessary or extra; forming an unwanted addition.
    • The committee removed excrescent rules that no one followed.
    • The report was full of excrescent details that confused the main point.
    • He cut the excrescent paragraphs from his essay to make it clearer.
Antonyms