Synonyms for Key:
•essential, important (adjective)
main, fundamental, leading, pivotal, principal, major, chief, crucial, primary.
central, core, essential, focal, asymptotic, nuclear, convergent.
serious, crucial, meaningful.
n.B, chord, crotchet, D, DO, C, bass, beat, double flat. back, blurb, book, appendix, body, artwork, chief, principal, paramount, premier, major, addendum, main, afterword, top, first, number one, leading, prime, primary, binding, foremost, capital, acknowledgments. feature, element, essence, priority, burning issue/question, pivotal, basis, concern, staple. character set, control, CAPS LOCK, command key, route, delete key, arrow key, Alt key, secret, control key, means, backspace, formula, CTRL. drag, hover, input, double-click, click, drag-and-drop, enter. damper, bridge, catgut, fret, head, drumstick, bellows, bow, hammer. checklist, blue book, calendar, glossary, hot list, chronicle, bibliography, blacklist, hit list. key ring, combination, fob, master key, Pass-key, latchkey, bunch, code, skeleton key. •answer, solution (noun)
marker, core, cue, pointer, ticket, means, brand, code, sign.
chief, pivotal, principal.
cue, marker, designation, icon, prompt, semaphore, lighthouse, token, guidepost, symbol, alert, badge, gesture, ticket, sign, insignia, signpost, logotype, logo, signal, motion, indication, emblem, flag, banner, beacon, hint, legend, label, figuration, brand, wink, notation, wave, crest, stamp, tag, pointer, gesticulation, denotation.
atoll, reef, islet, Holm, archipelago, island, isle, cay.
•item that unlocks (noun)
describe, Francis Scott Key, cay, primal, key out, identify, operative, tonality, fundamental, kg, Florida Keys, winder, distinguish, cardinal, significant, central, name, kilogram, discover, of import, kilo, important.
•key signature (noun)
Francis Scott Key.
describe, distinguish, discover, identify, name, key out.
damper, basis, drag-and-drop, catgut, premier, double-click, hover, latchkey, Pass-key, master key, skeleton key, principal, key ring. bellows, control, paramount, code, fret, priority, primary, pivotal, leading, drumstick, foremost, backspace, essence, main. element, fob, staple, major. click, first, formula, input, bow, prime, combination. route, concern. secret, drag. bunch, bridge. hammer. head. •francis scott key
Francis Scott Key.