Obstruction adjectives are listed in this post. Each word below can often be found in front of the noun obstruction in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing OBSTRUCTION.
actual, acute, arterial, artificial, biliary, bowel, bronchial, caval, chief, chronic, cold, colonic
complete, considerable, dangerous, distal, ductal, duodenal, esophageal, fatal, first, formidable, functional, further
gastrointestinal, great, greater, greatest, intestinal, laryngeal, least, less, little, luminal, lymphatic, mechanical
mere, much, nasal, natural, only, other, partial, permanent, persistent, physical, possible, pulmonary
pyloric, respiratory, same, serious, severe, significant, slight, slightest, small, such, temporary, total
tracheal, ureteral, urethral, urinary, vascular, venous
Hope this word list had the adjective used with obstruction you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.