overrun

1 to enter for conquest or plunder waves of barbarians overran the Roman Empire during its long decline Synonyms of overrun foray (into), invade, raidWords Related to overrun despoil, loot, maraud, pillage, plunder, ransack, ravage, sack, strip; conquer, crush, dominate, overcome, overpower, overwhelm, subdue, subject, subjugate, vanquish; assail, assault, attack, beset, charge, rush, storm, strike; battle, clash (with), combat, fight, war (with); encroach, harass, infringe, trespass; beleaguer, besiege, blockade, invest; garrison, occupyNear Antonyms of overrun defend, guard, protect, safeguard, shield, ward; defy, oppose, repel, resist, withstand; capitulate (to), cede (to), submit (to), succumb (to), surrender (to), yield (to)

2 to go beyond the limit of he must not overrun his authority as governor Synonyms of overrun break, outreach, outrun, overpass, overreach, exceed, overshoot, overstep, surpass, transcendWords Related to overrun encroach, entrench (also intrench), infringe, invade, trespass; overdo, overuse, overutilize, overwork

3 to spread or swarm over in a troublesome manner ants are overrunning the garden Synonyms of overrun infestWords Related to overrun beset, overspread, overwhelm; abound, crawl, teem; annoy, pester, plague; contaminate, infect