Instrument adjectives are listed in this post. Each word below can often be found in front of the noun instrument in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing INSTRUMENT.
above, accurate, acoustic, active, actual, additional, adequate, admirable, analytical, ancient, appropriate, artificial, astronomical, available, bad, based, basic, beautiful, beloved, best, better, binding, blessed, blind, blunt, brass, broken, celebrated, central, certain, chief, clumsy, commercial, common, complete, complex, complicated, constitutional, convenient, costly, critical, crucial, crude, cruel, curious, dangerous, dead, deadly, defective, delicate, derivative, diagnostic, different, difficult, diplomatic
direct, divine, docile, dreadful, dull, earthly, economic, edged, educational, effective, effectual, efficacious, efficient, electric, electrical, electronic, eminent, entire, essential, excellent, expensive, expressive, external, extraordinary, faithful, familiar, famous, fatal, favorite, favourite, fearful, feeble, final, financial, fine, finer, finest, first, fit, fitter, fittest, fitting, flexible, foregoing, foreign, formal, former, formidable, french, fundamental, general, glorious, good, grand, great
greatest, handy, happy, heavy, honored, honoured, huge, human, humble, hybrid, ideal, immediate, immortal, imperfect, important, improved, indispensable, individual, inferior, ingenious, innocent, intellectual, international, invaluable, item, key, keyed, known, large, larger, last, latter, lead, legal, legitimate, like, literary, little, logical, long, looking, made, magic, magical, magnificent, main, major, marvellous, marvelous, mathematical, mean, mechanical, medical, melodious, memorable
mental, mere, metal, metallic, mightiest, mighty, military, modern, moral, murderous, musical, mysterious, national, natural, navigational, necessary, negotiable, new, next, noble, notable, notarial, novel, obedient, official, old, only, optical, orchestral, ordinary, organic, original, other, own, particular, passive, peculiar, perfect, personal, philosophical, physical, pliant, pointed, political, poor, popular, portable, possible, potent, potential, powerful, practical, precious, precise, preferred
present, primary, prime, primitive, principal, prominent, proper, providential, psychometric, public, rare, ready, real, reed, regular, reliable, remarkable, report, responsive, right, rude, sacred, same, scientific, sealed, second, sensitive, separate, serviceable, servile, shaped, sharp, silver, similar, simple, single, small, smaller, social, sole, solemn, solo, sophisticated, special, specific, spiritual, splendid, standard, standardized, strange, strategic, stringed, subordinate, subservient, subtle
successful, such, sufficient, suitable, superior, supreme, surgical, surveying, sweet, technical, telegraphic, temporary, terrible, testamentary, third, tiny, toned, traditional, true, tuned, ultimate, un, unconscious, underlying, unique, universal, unwilling, unworthy, useful, useless, usual, valid, valuable, versatile, very, vile, visible, vital, vocal, warlike, weak, whole, willing, wind, wonderful, wondrous, wooden, woodwind, worthy, written
Hope this word list had the adjective used with instrument you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.