Synonyms for Incomplete:

adj.

all (adjective)
uncomplete.
defective (adjective)
faulty, blemished, unfinished, wanting, flawed.
deficient (adjective)
unsatisfactory, meager, wanting.
fractional (adjective)
sectional.
imperfect (adjective)
faulty, second-rate, blemished, inadequate, blotched, flawed, deficient, defective, spoiled, minus, patchy, tainted, imperfect.
inadequate (adjective)
scanty.
incomplete (adjective)
insufficient, short, rough, lacking, undone, embryonic, fragmentary, partial, unfinished, deficient, fractional, imperfect, unachieved, under construction, patchy, immature, unfulfilled, segmental, defective, sketchy, unattained, meager, missing, rudimentary, Unaccomplished, scanty, discontinuous, unsatisfactory, broken, inadequate, Curtailed, sectional.
insufficient (adjective)
insufficient.

n.

B, full marks, F, D, C, demerit, distinction, GPA. deprived, starved, bereft of something, meager, minus, stretched, devoid, lack, want for. excess, wanting, superficial, outstanding, light touch, abortive, better, pending. incomplete (noun)
broken, uncomplete, unfinished, rudimentary, sketchy, uncompleted, half, partial, unelaborated.
unfinished (noun)
rough, under construction.

Other synonyms:

lack, stretched, devoid, want for, light touch, deprived. starved. outstanding, pending. minus, superficial. unfinished
rough.
Other relevant words:
light touch, wanting, superficial, rudimentary, devoid, minus, starved, broken, pending, under construction, sketchy, rough, demerit, uncomplete, abortive, unelaborated, meager, uncompleted, half, lack.

Usage examples for incomplete

  1. " You understand me thoroughly, my dear; for were any of these parts defective, the whole would be incomplete and we might never have the pleasure of walking for miles, on a wet day, under the cover of 'The Crystal Palace, ' as I hope we shall do during the next Christmas holidays. – The Young Emigrants; Madelaine Tube; The Boy and the Book; and Crystal Palace by Susan Anne Livingston Ridley Sedgwick
  2. Without them, in our incomplete state, there would be no advance towards civilisation. – The Soul of Man by Oscar Wilde
  3. She understood at last how the conduct of a father might long weigh on the future of her children, and her motherly solicitude brought her many, though incomplete revelations of the truth. – Juana by Honore de Balzac