As nouns the difference between naysayer and defeatist
is that naysayer is one who consistently denies, criticizes, or doubts; a detractor while defeatist is someone who advocates defeatism, or has such an attitude.
As an adjective defeatist is
of, or relating to defeatism.
naysayer
English
Alternative forms
* nay-sayer
Noun
(
en noun)
One who consistently denies, criticizes, or doubts; a detractor.
:He ignored the naysayers and succeeded with his idea.
Synonyms
* pessimist, doubter, cynic, misanthrope
Antonyms
* yeasayer, yea-sayer
Related terms
* naysaying, nay-saying
defeatist
English
Noun
(
en noun)
someone who advocates defeatism, or has such an attitude