Constrictor1. (n.) That which constricts, draws together, or contracts.
2. (n.) A muscle which contracts or closes an orifice, or which compresses an organ; a sphincter.
3. (n.) A serpent that kills its prey by inclosing and crushing it with its folds; as, the boa constrictor.
Thesaurus Entries
Spartan, Spartanic, acerb, acerbic, acid, acidulous, acrid, acrimonious, alum, amaroidal, ascetic, asperous, austere, authoritarian, biting, bitter, bitter as gall, brisk, caustic, clamp, coarse, collapsible, compactable, compressible, compressor, constrictor, constringent, consumptive, contractible, contractile, contractional, contractive, contractor, cutting, deflationary, demanding, double-edged, dour, edged, escharotic, exacting, exigent, fierce, foldable, grim, hard, harsh, incisive, inclement, irritating, keen, meticulous, mordacious, mordant, mortified, nose-tickling, penetrating, piercing, pincer, piquant, poignant, puckery, pungent, restorative, rigorous, roborant, rough, rugged, scathing, severe, sharp, sour, stabbing, stern, stinging, strict, strident, stringent, styptic, styptic pencil, tart, tough, trenchant, ungentle, unsparing, vehement, violent, virulent, vise, vitriolic