ne ‧ ces ‧ sar ‧ i ‧ ly S2 W2 /ˈnesəs ə rəli, ˈnesɪs ə rəli, ˌnesəˈserəli $ ˌnesəˈserəli/ BrE AmE adverb
[ Word Family: noun : ↑ necessity , the necessaries, the necessary; verb : ↑ necessitate ; adverb : ↑ necessarily ≠ ↑ unnecessarily ; adjective : ↑ necessary ≠ ↑ unnecessary ]
1 . not necessarily possibly, but not certainly:
That is not necessarily true.
Expensive restaurants aren’t necessarily the best.
Having this disease does not necessarily mean that you will die young.
‘So the school will have to close down, then?’ ‘Not necessarily.’
2 . formal in a way that cannot be different or be avoided SYN inevitably :
The care of old people necessarily involves quite a lot of heavy lifting.