1XX used to form nouns and adjectives from verbs that are followed by 'out':
an outbreak of flu (=from 'break out')
outspoken comments (=from 'speak out')
2 [in nouns and adjectives] outside or beyond something:
an outbuilding (=small building away from the main building)
outlying areas (=far from the centre)
3 [in verbs] being or becoming bigger, further, greater etc than someone or something else:
He's outgrown his clothes (=become too big for them).
She outlived her brother (=he died before her).
4 [in verbs] doing better than someone, so that you defeat them:
I can out-argue you any day.
She outran him.

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