necessarily
- 1In a way that follows inevitably; as a logical or unavoidable consequence of something.
Like the conclusion of a math proof: once the steps are fixed, the answer cannot turn out any other way.
A higher price does not necessarily guarantee better quality.
If every part is genuine, the finished object is necessarily authentic.
Similarinevitably, automatically, inescapably, unavoidably
Note
Most of its working life is spent under negation: not necessarily, will not necessarily, doesn't necessarily. In that frame it does not mean "inevitably not". It denies that one thing must follow from another and leaves the possibility open. On its own, "not necessarily" is a polite way to disagree without flatly contradicting.
Use it in a sentence
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Origin
Formed from "necessary" combined with the adverb-forming suffix "-ly."