subprofessional

English

Etymology

From sub- +‎ professional.

Adjective

subprofessional (comparative more subprofessional, superlative most subprofessional)

1. Not meeting the quality standards expected of a professional.

   His subprofessional workmanship led me to decide to never hire him again.

Noun

subprofessional (plural subprofessionals)

1. A person working at less than professional level.