5
unacquainted with
4
unaccustomed to
4
unacquainted(adjective, new, raw, ignorant, inept)
4
uninitiated in
4
unused to
3
unaccustomed(new, raw, ignorant, inept, unfamiliar)
3
unfamiliar(new, raw, ignorant, inept, inexperienced)
3
unpracticed(adjective, new, raw, inept, unfamiliar)
3
unused(new, raw, inept, unfamiliar, inexperienced)
2
callow(new, raw, inexperienced, inexpert, untrained)
2
green(new, raw, inexperienced, inexpert, untrained)
2
ignorant(new, raw, inept, unfamiliar, inexperienced)
2
immature(new, raw, inept, inexperienced, inexpert)
2
inexperienced(new, raw, ignorant, unfamiliar, uninformed)
2
inexperienced in
2
raw(new, inexperienced, inexpert, untrained, unschooled)
2
unconversant(new, raw, inept, unfamiliar, inexperienced)
2
unconversant with
2
unfledged(new, raw, inept, unfamiliar, inexperienced)
2
unpractised in
11 years ago|1.6k views|share |citing 
APASmart Define. (2015). unfamiliar with thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unfamiliar_with/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfamiliar with thesaurus" https://smartdefine.org/unfamiliar_with/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unfamiliar with thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unfamiliar_with/thesaurus/synonyms>.
MLASmart Define. "unfamiliar with thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/unfamiliar_with/thesaurus/synonyms>