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auxiliary
mastery UK /ɔːɡˈzɪl.(j)ə.ɹi/ US /ɔɡˈzɪl.(jə).ɹi/adjnoun
card 1 of 10 · synonym
Which word is closest in meaning to 'auxiliary' in this sentence?
The auxiliary power unit kicked in when the main engine stopped.
card 1 of 10 · synonym
Which word is closest in meaning to 'auxiliary' in this sentence?
The auxiliary power unit kicked in when the main engine stopped.