1. Learn additional skills 
2. Teach someone additional skills, especially as an alternative to redundancy

Derived forms: upskilling

• outguess
• outgun
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• outing
• outlander
• outlandish
• outlandishly
• outlandishness
• outlast
• outlaw
• outlawed
• outlawry
• outlay
• outlet
• outlet box
• outlier
• outline
• outlined
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• outlook
• outlying
• outmaneuver
• outmanoeuvre
• outmarch