Variables adjectives are listed in this post. Each word below can often be found in front of the noun variables in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing VARIABLES.
above, additional, affective, aggregate, antecedent, appropriate, associated, attitudinal, auxiliary, available, based, basic, behavioral, binary, biological, boolean, bound, categorical, causal, certain, climatic, clinical, cognitive, common, complex, composite, confounding, contextual, continuous, controllable, controlled
controlling, correlated, corresponding, critical, crucial, cultural, defined, demographic, dependent, derived, developmental, dichotomous, different, dimensionless, discrete, dispositional, distinct, domestic, dual, dummy, dynamic, ecological, economic, educational, endogenous, environment, environmental, essential, exogenous, experimental, explanatory
external, extra, extraneous, few, fewer, financial, following, free, fundamental, gaussian, genetic, geographic, global, hidden, important, independent, individual, influential, institutional, instructional, instrumental, integer, interacting, interdependent, intermediate, internal, interrelated, intervening, key, latent, level
linguistic, local, macro, macroeconomic, main, major, many, measurable, measured, mediating, more, most, motivational, multiple, necessary, new, nominal, normal, numeric, numerical, numerous, observable, observed, only, operational, ordinal, organizational, original, other, own, particular
patient, personal, pertinent, physical, physiologic, physiological, political, possible, potential, predictive, primary, private, prognostic, proxy, psychological, psychosocial, qualitative, quantitative, random, real, related, relevant, religious, same, scalar, scaled, separate, several, side, significant, similar
simple, single, situational, slack, social, sociocultural, sociodemographic, socioeconomic, sociological, spatial, special, specific, static, statistical, stochastic, structural, such, temporary, thermodynamic, third, uncertain, uncontrollable, uncontrolled, underlying, unknown, unmeasured, unobservable, unobserved, various
Hope this word list had the adjective used with variables you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.