unsuitable, inadequate, inappropriate, unfit

inappropriateness, unsuitability

action; behavior

to act

suitable; appropriate; fit / random, indiscriminate, as one will / half-arsed, lazy, slovenly

suitability; appropriateness; fitness / indiscrimination

perfect, completed

completeness / perfection

(と〜) thinking that […] (with the next clause explaining that the truth is contrary to expectations)

to seem, to appear