This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Not precisely determined, determinable, or established: a person of indeterminate age.

adj. Not precisely fixed, as to extent, size, nature, or number: an indeterminate number of plant species in the jungle.

adj. Lacking clarity or precision, as in meaning; vague: an indeterminate turn of phrase.

adj. Not fixed or known in advance: an indeterminate future.

adj. Not leading up to a definite result or ending: an indeterminate campaign.

adj. Botany Not terminating in a flower and continuing to grow at the apex: an indeterminate inflorescence.

adj. Not accurately determined or determinable.

adj. Imprecise or vague.

adj. Of growth: with no genetically defined end, and thus theoretically limitless.

adj. Of inflorescences: not topped with some form of terminal bud.

adj. Not determinate; not certain or fixed; indefinite; not precise.

Not determinate; not settled or fixed; not definite; uncertain; not precise; not exclusively possessing either of a pair of contradictory attributes.

adj. not capable of being determined

adj. not leading to a definite ending or result

adj. of uncertain or ambiguous nature

adj. having a capacity for continuing to grow at the apex

adj. not precisely determined or established; not fixed or known in advance

"For he that goes about the violation of a law, wherein no penalty is determined, expecteth an indeterminate, that is to say, an arbitrary punishment."

indeterminable    undeterminable    inconclusive    equivocal    ambiguous    racemose    cost-plus    open-ended   

determinate   

indeterminate analysis    indeterminate multiplier    indeterminate form    indeterminate problem    indeterminate coefficients    indeterminate series    indeterminate constant    indeterminate inflorescence    indeterminate quantity   

indefinite    uncertain    indeterminant   

determinate    indefinite    indistinct    undetermined    undefined    contradictory    uncertain    approximate    hazy    ambiguous