Amateurish, unprofessional, unpolished, juvenile.
Of inferior quality.
A professional sports association at the lower levels of minor league organization.
A low-ranking or inferior level among groups, professions, organizations, etc.
Overbearing, coercive; unnecessarily forceful; harsh, oppressive.
Do not be too heavy-handed with the salt.
Clumsy, awkward.
Excessive, overdone.
Lacking subtlety or nuance.