SYN: Impertinent, insolent, saucy, shameless, brazen-faced, rude, bold, immodest.
ANT: Servile, obsequious, sycophantic, bashful, retiring, diffident, deferential, modest.
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KEY: Impudence.
SYN: Impertinence, insolence, assurance, effrontery, rudeness, sauciness, shamelessness, audacity, hardihood.
ANT: Obsequiousness, subserviency, abasement, sycophancy, flunkeyism, humility, [See MODESTY].
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KEY: Impugn.
SYN: Gainsay, controvert, oppose, deny, attack, blame.
ANT: Declare, state, allege, propose, defend, repel, approve, commend.