apt C1

/ˈæpt/ Suitable or appropriate for the situation.

aptitude C2

/ˈæptɪˌtjuːd/ A natural ability or talent for learning or doing something.

inept C2+

/ɪˈnɛpt/ lacking skill or competence; awkwardly unsuitable

inapt C2+

/ɪnˈæpt/ not suitable or appropriate; inept

unapt C2+

/ʌnˈæpt/ not suitable or appropriate; not inclined or quick to do something

adaptability C2+

/əˌdæptəˈbɪləti/ the quality of being able to adjust to new conditions

adaption C2+

/əˈdæpʃən/ the process of adapting; an adaptation

adaptational C2+

/ˌædæpˈteɪʃənəl/ relating to adaptation or the process of adjusting to conditions

adaptedness C2+

/əˈdæptɪdnəs/ the state of being well suited to an environment or purpose

adapter C2+

/əˈdæptər/ a device or person that adapts one thing to fit another

adaptitude C2+

/əˈdæptɪˌtud/ aptitude or capacity for adapting; adaptability

adaptive C2+

/əˈdæptɪv/ able to adjust readily to new conditions or uses

aptness C2+

/ˈæptnəs/ the quality of being suitable or appropriate; fitness

ineptitude C2+

/ɪnˈɛptɪtud/ lack of skill or competence; clumsiness