KEY: Puerile.
SYN: Childish, boyish, infantile, youthful, nonsensical, futile, nugatory, weak, silly, trifling.
ANT: Manly, vigorous, effective, powerful, cogent, weighty.
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KEY: Puerility.
SYN: Childishness, boyishness, juvenility, youthfulness.
ANT: Maturity, ripeness, manliness.
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KEY: Puff.
SYN: Flatter, advertise, hawk, ventilate.