Antonyms:

worthiness

the quality or state of having merit or value

types:

baseness, contemptibility, despicability, despicableness, sordidness

unworthiness by virtue of lacking higher values

disgracefulness, ignominiousness, shamefulness

unworthiness meriting public disgrace and dishonor

scandalousness

disgracefulness that offends public morality

type of:

bad, badness

that which is below standard or expectations as of ethics or decency

Antonyms:

appropriateness

the quality of being specially suitable

types:

inappositeness, inaptness

inappropriateness

infelicity

inappropriate and unpleasing manner or style (especially manner or style of expression)

type of:

ineptness, unsuitability, unsuitableness

the quality of having the wrong properties for a specific purpose