THESAURUS
preventive
aegis, antacid, anticipative, anticipatory, antidote, arm guard, backstop, barrier, block, buffer, bulwark, bumper, contraceptive, copyright, counteractant, counteractive, counteragent, counterirritant, countermeasure, covering, crash helmet, curb, cushion, custodial, dashboard, defensive, deterrent, deterring, discouraging, dodger, ethnocentric, exceptional, excluding, exclusive, exclusory, face mask, fender, finger guard, foot guard, forbidding, forestalling, fostering, fuse, goggles, governor, guard, guardian, guarding, guardrail, hampering, hand guard, handrail, hard hat, helmet, hindering, hindrance, immunizing, impediment, impeding, inadmissible, inhibiting, inhibition, inhibitive, inhibitory, inoculant, inoculum, insular, insulation, interdictive, interdictory, interlock, knee guard, knuckle guard, laminated glass, life preserver, lifeline, lightning conductor, lightning rod, mask, mudguard, narrow, neutralizer, nose guard, nullifier, obstacle, obstruction, offset, pad, padding, palladium, parental, parochial, patent, pilot, precautionary, preclusive, prescriptive, preventative, prevention, prohibiting, prohibitive, prohibitory, prophylactic, proscriptive, protecting, protection, protective, protective clothing, protective umbrella, remedy, repressive, restraining, restrictive, safeguard, safeguarding, safety, safety glass, safety plug, safety rail, safety shoes, safety switch, safety valve, screen, screening, seat belt, seclusive, segregative, select, selective, separative, serum, sheltering, shield, shielding, shin guard, snobbish, sun helmet, suppressive, tutelary, umbrella, vaccine, vigilant, watchful, windscreen, windshield, xenophobic
ROGET THESAURUS
preventive
Hindrance
N
hindrance, prevention, preclusion, obstruction, stoppage, embolus, embolism, infarct, interruption, interception, interclusion, hindrance, impedition, retardment, retardation, embarrassment, oppilation, coarctation, stricture, restriction, restraint, inhibition, blockade, interference, interposition, obtrusion, discouragement, discountenance, impediment, let, obstacle, obstruction, knot, knag, check, hitch, contretemps, screw loose, grit in the oil, bar, stile, barrier, turnstile, turnpike, gate, portcullis, beaver dam, trocha, barricade, wall, dead wall, sea wall, levee breakwater, groyne, bulkhead, block, buffer, stopper, boom, dam, weir, burrock, drawback, objection, stumbling-block, stumbling-stone, lion in the path, snag, snags and sawyers, encumbrance, incumbrance, clog, skid, shoe, spoke, drag, drag chain, drag weight, stay, stop,
preventive, prophylactic, load, burden, fardel, onus, millstone round one's neck, impedimenta, dead weight, lumber, pack, nightmare, Ephialtes, incubus, old man of the sea, remora, difficulty, insuperable, obstacle, estoppel, ill wind, head wind, trammel, tether, hold back, counterpoise, damper, wet blanket, hinderer, marplot, killjoy, party pooper, party crasher, interloper, trail of a red herring, opponent, hindering, obstructive, obstruent, impeditive, impedient, intercipient, prophylactic, impedimentary, in the way of, unfavorable, onerous, burdensome, cumbrous, cumbersome, obtrusive, hindered, windbound, waterlogged, heavy laden, hard pressed, unassisted &c (assist), single-handed, alone, deserted, occurrent nubes.