Synonyms and Antonyms of adjoin
1 to be adjacent to the bedroom of their apartment adjoins their neighbor's living room Synonyms abut, border (on), butt (on or against), flank, fringe, join, march (with), neighbor, skirt, touch, verge (on) Related Words attach (to), communicate (with), connect (with), link (with); bound, embrace, encircle, enclose (also inclose), fence, line, margin, rim, surround; contact, converge, meet
2 to join (something) to a mass, quantity, or number so as to bring about an overall increase after the dictionary writer's talk, the principal adjoined a few remarks about her own love of words Synonyms add, annex, append, subjoin, tack (on)Related Words affix, attach, fasten, fix, graft, hitch, tag, tie; infuse, inject, insert, interfuse, introduce; aggrandize, amplify, augment, beef (up), boost, compound, enlarge, escalate, expand, extend, increase, multiply, raise, swell up; elongate, lengthen, prolong, protract; enhance, heighten, intensify, magnify; complement, supplement, supply; enforce, reinforce (also reenforce), strengthen; maximizeNear Antonyms detach, disconnect, disjoin, separate, unfasten; amputate, cut, excise, lop (off), sever; contract, decrease, diminish, lessen, lower, reduce; abbreviate, abridge, curtail, shorten; compress, condense, constrict, cut back, retrenchAntonyms abate, bate, deduct, knock off, remove, subtract, take off
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