1. (a.) Causing obstruction; blocking up; hindering; as, an obstruent medicine.

2. (n.) Anything that obstructs or closes a passage; esp., that which obstructs natural passages in the body; as, a medicine which acts as an obstruent.

abolishment abolition annihilation annulment asphyxia asphyxiation bar barrier blank wall blind alley blind gut block blockade blockage blurred bottleneck breathy burking burning out burnout cecum choke choked choking off clog congestion constipation constrictive contrary controlling costiveness counterproductive croaking crosswise cul-de-sac damping dead end deracination dousing drawling drawly drowning dying dysphonic elimination embolism embolus eradication extermination extinction extinguishment extirpation fire fighting flame-out garrote going out gorge guttural harsh hawking hindering hindersome hoarse impasse impediment in the way inarticulate indistinct infarct infarction inhibiting inhibitive interrupting interruptive jam killing liquidation lisping liver death megadeath mispronounced muzzy nasal negation nullification obstacle obstipation obstructing obstruction obstructive obstruent occlusive purge putting out quashing quavering quenching repressive restrictive rooting out sealing off serum death shaking shaky silencing smotheration smothering snuffing snuffing out snuffling squashing squelching starvation stifled stifling stop stoppage strangled strangling strangulation suffocation suppression suppressive thick throaty throttling tremulous troublesome twangy uprooting velar violent death voiding watery grave