Merriam-Webster Collegiate Dictionary - indeterminate

 adjective  Etymology: Middle English indeterminat, from Late Latin indeterminatus, from Latin in- + determinatus, past participle of determinare to determine  Date: 14th century  1.  a. not definitely or precisely determined or fixed ; vague  b. not known in advance  c. not leading to a definite end or result  2. having an infinite number of solutions a system of ~ equations  3. being one of the seven undefined mathematical expressions 0/0, ?/?, ?•0, 1?, 0?, ??, ? - ?  4. characterized by sequential flowering from the lateral or basal buds to the central or uppermost buds; also characterized by growth in which the main stem continues to elongate indefinitely without being limited by a terminal inflorescence — compare determinate 4  • ~ly adverb  • ~ness noun  • indetermination noun