/ ˈlaɪkwaɪz; NAmE / adverb
1.
( formal ) the same; in a similar way :
He voted for the change and he expected his colleagues to do likewise .
2.
( formal ) also :
Her second marriage was likewise unhappy.
3.
( informal ) used to show that you feel the same towards sb or about sth :
'Let me know if you ever need any help.' 'Likewise.'
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WORD ORIGIN
late Middle English : from the phrase in like wise .