alterable, ambiguous, ambiguus, amorphic, amorphous, barely seen, blurred, blurry, boundless, broad, changeable, cloudy, controvertible, cryptic, debatable, dim, doubtful, dubious, dubius, enigmatic, enigmatical, equivocal, evasive, faint, formless, ill-defined, imperspicuous, imprecise, in doubt, incertus, indecisive, indeterminate, indistinct, indistinguishable, inexact, inexplicit, mysterious, nondescript, nonspecific, not positive, not sharp, obscure, opaque, open to question, oracular, questionable, shapeless, subject to change, suppositional, theoretical, unascertained, unbounded, uncertain, unclear, undecided, undefined, undetermined, undiscernible, unexact, unintelligible, unlimited, unresolved, unsettled, unspecified, unstable, unsure, untold, vague
associated concepts: indefinite contract, indefinite failure of issue, indefinite liability, indefinite sentence
aleatory (uncertain), ambiguous, broad, conditional, debatable, disputable, equivocal, impalpable, incomprehensible, inconspicuous, indeterminate, intangible, obscure (faint), open-ended, outstanding (unresolved), pending (unresolved), provisional, speculative, sporadic, undecided, unlimited, unspecified, vague
Burton's Legal Thesaurus. William C. Burton. 2006
adj.Vague; not clearly expressed or defined; temporary.
The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.