Antonyms for extend

make larger, longer:

decrease, shrink, contract, maintain, restrict, keep, stop, degrade, discontinue, abridge, finish, abbreviate, shorten, lower, narrow, close, hinder, cease, take back, curtail, end, reduce, hold, cut, hide, compress, lose, lessen, constrict, condense, diminish, halt.

offer:

disapprove, oppose, take, conceal, disallow, withhold, refrain, dissuade, refuse, deny.

noun:

authorize, sanction, disregard, deduct, thicken, dissever, disallow, clean, enhance, condense, confirm, leach, enrich, ignore, turn down, strengthen, compact, negative, Homologate, accept, refine, approve, subtract, better, rebut, compress, fortify, close, reinforce, supplement, augment, deny, disapprove, flush, purge, retract, minify, finalize, pasteurize, lower, warrant, concentrate, abstract, overlook, contract, formalize, ratify, rebuff, veto, clarify, improve, fold, neglect, clear, spurn, lard, refuse, cut, fertilize, take, filter, receive, distill, cleanse, purify, richen, reject, decontaminate, remove, constrict, withdraw, accredit, retrench, approbate.