Definition of progressionist in English:

progressionist

Syllabification: pro·gres·sion·ist
Pronunciation: /prəˈɡreSHənist
 
/
chiefly historical

noun

1 Biology A supporter of the theory that all life forms gradually progress or evolve to a higher form.
2An advocate of or believer in political or social progress.

adjective

Biology Back to top  
(Of a person or theory) supporting or based on the theory that all life forms progress or evolve to a higher form: progressionist evolutionists
More example sentences
  • Darwin opted for a progressionist interpretation of the record.
  • We then see how thinking in terms of final causes was revived in the works of Immanuel Kant and William Paley, but now found itself faced with the problem of accommodating progressionist and evolutionist thinking.
  • Merriam's views of evolution were progressionist, much more so than the views of most evolutionary biologists today.

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Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude