This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Causing obstructions.

adj. Tending to obstruct; presenting obstacles; hindering; causing impediment.

n. An obstructive person or thing.

Serving or intended to obstruct, hinder, delay, or annoy: as, obstructive parliamentary proceedings.

Given to obstructing or impeding: as, an obstructive official.

n. One who or that which obstructs.

n. One who factiously seeks to obstruct, hinder, or delay the transaction of business, especially legislative business.

adj. preventing movement

"Snoring is a common symptom of a syndrome called obstructive sleep apnea or OSA."

preventative    preventive   

hindering    obstacle    hindrance   

conductive    constructive    destructive    instructive    nonproductive    photoconductive    productive    reconstructive    reproductive    seductive   

sleep-related    gastrointestinal    idiopathic    neurological    degenerative    cutaneous    allergic    debilitate    venereal    digestive