SYN: Beside, alongside.
ANT: Ahead, astern.
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KEY: Abridge.
SYN: Abbreviate, diminish, shorten, lessen, curtail, restrict, contract, condense, epitomize, compress.
ANT: Amplify, expand, spread out.
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KEY: Abridgment.
SYN: Abstract, abbreviation, contraction, summary, synopsis, epitome, compendium, analysis, outline, digest.
ANT: Amplification, expatiation, expansion, disquisition, dilution, comment, annotation, exposition, paraphrase.