plumb

1 in a direct line or course I can't believe he walked plumb into the tree, without even seeing it! Synonyms dead, direct, due, directly, plump, right, straight, straightwayNear Antonyms circuitously, deviously, veeringlyAntonyms indirectly

2 chiefly dialect  to a full extent or degree I'm plumb tuckered out Synonyms all, all of, all over, altogether, clean, completely, dead, enough, entire, entirely, even, exactly, fast, flat, full, heartily, out, perfectly, fully [chiefly dialect], quite, soundly, thoroughly, through and through, totally, utterly, well, wholly, wideRelated Words absolutely, categorically, cold, downright, hands down, plain, stone, stone-cold, unqualifiedly; basically, by and large, chiefly, generally, largely, mainly, more or less, mostly, overall, predominantly, predominately, primarily, principally, substantially; abundantly, copiously, generously, greatlyNear Antonyms barely, hardly, just, kind of, marginally, minimally, scarcely, slightly, superficially; approximately, roughly, somewhatAntonyms half, halfway, incompletely, part, partially, partly

3 without delay we had no sooner resolved that crisis than we plumb rushed into another one Synonyms bang, directly, forthwith, headlong, incontinently, instantaneously, instanter, instantly, now, PDQ, immediately, presently, promptly, pronto, right, right away, right now, right off, straightaway, straight off, straightwayRelated Words away, freely; anon, momentarily, shortly, soon; apace, briskly, fast, fleetly, full-tilt, posthaste, quick, quickly, rapidly, readily, snappily, speedily, swift, swiftly; abruptly, presto, suddenly, unexpectedly; hastily, impetuously, impulsively, rashly, recklessly; exactly, opportunely, punctually, seasonablyNear Antonyms slowly; late, tardily

to measure the depth of (as a body of water) typically with a weighted line plumbed the bay to make sure it was deep enough for the ship Synonyms fathom, soundRelated Words gauge (also gage), scale, span; remeasure, replumb