To take on is to accept new work or responsibility, or to fight an opponent. Take on more staff, take on the job, take on the champion.
A third sense is hiring, so a firm can take on ten people in a month. All three share the idea of accepting a weight you did not have before.
1phrasetake onTo accept new work or responsibility; also, to fight an opponent.
“She agreed to take on the accounts as well as the diary.”
take on is a phrase.
Practised in Phrasal Verbs