Antonyms of adv necessarily

1 of 3 senses of necessarily

Sense 1
necessarily, needfully -- (in an essential manner; "such expenses are necessarily incurred")
       Antonym of unnecessarily (Sense 1)
      => unnecessarily -- (in an unnecessary manner; "they were unnecessarily rude")

Synonyms of adv necessarily

3 senses of necessarily

Sense 1
necessarily, needfully -- (in an essential manner; "such expenses are necessarily incurred")

Sense 2
inevitably, necessarily, of necessity, needs -- (in such a manner as could not be otherwise; "it is necessarily so"; "we must needs by objective")

Sense 3
necessarily -- (as a highly likely consequence; "we are necessarily bound for federalism in Europe")