inexperienced
in-ex-pe-ri-enced
adjective
Lacking practical skill or knowledge gained from previous work or life situations.
"The young team was rather inexperienced."
Thesaurus
Synonyms: fledgling, uninitiated, unpractised, unversed, raw, untried, unfledged, naive, untested, young, unpracticed, inexperient
Antonyms: experienced, experient