elementary Synonyms

uncomplicated elemental simple primary underlying preliminary straightforward fundamental introductory unproblematic basic basal foundational rudimentary unsophisticated vestigial uncompounded unmingled underived basics fundamentals plain sailing minimalist propaedeutics thermochemical rudimental schoolbook schoolhouse scut simpler simplified simplistic skeletal snap starter structural superficial axiological unornamented fermion underivative unelaborate unexacting as easy as pie as easy as falling off a log as easy as abc not difficult basic knowledge early-stage undemanding