deaths from 'unnatural causes' [=deaths caused by things other than old age or disease]
He thought that it was 'unnatural' [='abnormal'] for a boy to enjoy ballet.
The movie's dialogue sounded so 'unnatural' [='fake'] to me.
(..) Soft, now to my mother Oh heart, lose not thy nature. Let not ever the soul of Nero enter this firm bosom Let me be cruel, not unnatural. I will speak daggers to her but use none I like him not, nor stands it safe with us to let his madness range. Therefore prepare you (..)2015 Hamlet
(..) to ears of flesh and blood List, Hamlet, oh list. If thou didst ever thy dear father love... - Oh God! - Revenge his foul and most unnatural murder - Murder? - Murder most foul, as in the best it is But this most foul, strange and unnatural Haste me to know it, that I with wings as swift (..)2015 Hamlet