amateurishness

noun

quality/condition of being amateurish

Wiktionary

noun

Etymology: Etymology tree English amateurish Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English amateurishness From amateurish + -ness.

The quality of being amateurish.
“He betrays his amateurishness in a hundred ways.”