in ‧ ex ‧ pert /ɪnˈekspɜːt $ -ɜːrt/ BrE AmE adjective formal
[ Word Family: noun : ↑ expert , ↑ expertise ; adverb : ↑ expertly ≠ ↑ inexpertly ; adjective : ↑ expert ≠ ↑ inexpert ]
not having the skill to do something OPP expert :
an inexperienced and inexpert teacher
—inexpertly adverb