KEY: Protuberance.

SYN: Lump, swelling, excrescence, convexity.

ANT: Cavity, smoothness, planeness, concavity, indentation, hollow.

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KEY: Proud.

SYN: Arrogant, haughty, imperious, supercilious, presumptuous, boastful, vain glorious, vain, ostentatious, elated, self-satisfied, lofty, imposing, magnificent, self-conscious.

ANT: Deferential, humble, affable, unpresuming, meek, lowly, ashamed, unimposing, mean.

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KEY: Prove.

SYN: {[Trv]?}, assay, test, establish, demonstrate, ascertain, argue, show, confirm, examine, substantiate, make trial of, verify, ascertain.