Of inferior quality.
Amateurish, unprofessional, unpolished, juvenile.
A professional sports association at the lower levels of minor league organization.
A low-ranking or inferior level among groups, professions, organizations, etc.
Unsuitable for a particular purpose.
Not fit; not having the correct requirements.
Not fit, not having a good physical demeanor.
To make unfit; to render unsuitable, spoil, disqualify.