serpiginous

/sərˈpɪdʒənəs/
adjective
  1. Having a creeping or spreading pattern, often used in medicine to describe skin lesions that spread outward.
    • The infection had a serpiginous border, moving slowly over the skin.
    • Serpiginous ulcers can be difficult to treat because they keep expanding.
    • The doctor noted the serpiginous rash spreading across the patient's arm.
  2. Figuratively, spreading gradually and irregularly, like a creeping pattern.
    • His influence was serpiginous, quietly extending into every department.
    • The vine's serpiginous tendrils covered the entire wall.
    • The rumor had a serpiginous growth, moving from one group to another.
Antonyms
What does "serpiginous" mean? | whatsthatwordmean | whatsthatwordmean