THESAURUS
amateurish, arcane, cabalistic, impenetrable, inscrutable, mystic, neglected, numinous, semiskilled, unachieved, unattained, unbusinesslike, uncoached, uncompleted, unconsummated, undischarged, undone, unendowed, unexecuted, unfinished, unfulfilled, ungifted, unguessed, uninitiated, unknowable, unperformed, unpolished, unprepared, unprimed, unprofessional, unrealized, unschooled, unskilled, untalented, untaught, untrained, untutored
ROGET THESAURUS
Noncompletion
N
noncompletion, nonfulfillment, shortcoming, incompleteness, drawn battle, drawn game, work of Penelope, nonperformance, inexecution, neglect, not completed, incomplete, uncompleted, unfinished,
unaccomplished, unperformed, unexecuted, sketchy, addle, in progress, in hand, ongoing, going on, proceeding, on one's hands, on the anvil, in the fire, in the oven, parboiled, half-baked, re infecta.