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puerile

1 ENTRIES FOUND:
puerile /ˈpjɚrəl/ adjective
puerile
/ˈpjɚrəl/
adjective
Britannica Dictionary definition of PUERILE
[more puerile; most puerile] formal + disapproving
: silly or childish especially in a way that shows a lack of seriousness or good judgment