— unconventionalist , n. — unconventionally , adv.
/un'keuhn ven"sheuh nl/ , adj.
not conventional; not bound by or conforming to convention, rule, or precedent; free from conventionality: an unconventional artist; an unconventional use of material.
[ 1830-40; UN- 1 + CONVENTIONAL ]
Syn . eccentric, individualistic, idiosyncratic, atypical.