Synonyms for Unseasoned (same or very similar meaning)
WordNet sense 1 (without salt or seasoning):
unsalted
WordNet sense 2 (lacking flavor):
tasteless
WordNet sense 3 (not tried or tested by experience):
untested, untried, young
WordNet sense 4 (lacking practical experience or training):
inexperienced, inexperient
From the ODE community, based on WordNet
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