flare, v. flicker, [flutter]; [dazzle], [blaze], [glare]; flaunt.
flare, n. [glare], flicker.
flare-up, n. (Colloq.) [passion], [anger], [outburst].
flash, n. [gleam], [glare], coruscation.
flash, v. [glitter], [gleam], [glisten], coruscate, [sparkle].
flash, n. instant, [moment].
flashy, a. [dazzling], coruscant; [gaudy], [tawdry], meretricious [showy].
flask, n. betty, matrass, bolthead.
flat, a. [level], [even], plane, [smooth]; prostrate, prone; [stale], insipid, [vapid], [tasteless], [unsavory], unpalatable, [mawkish]; peremptory, [unqualified], [positive]; spatulous, spatulate; sonant, vocal. Antonyms: [convex], [concave], [warped], cambered, undulating, protuberant, projecting.