(a.) Too hasty; precipitate; rash.

a bit previous a la mode advanced in life advanced in years adventurous aged along in years ameliorated ancient avant-garde beautified bettered broad broad-minded civilized contemporary converted cultivated cultured daring developed educated elderly embellished enhanced enriched exploratory far ahead far out fashionable forward forward-looking gray gray with age gray-haired gray-headed grown old half-baked half-cocked hasty hoar hoary ill-considered improved impulsive in inaugural mod modern modernistic modernized modish newfashioned not firm now old old as Methuselah original overhasty oversoon patriarchal perfected polished preceding precipitate precocious preliminary premature present-day present-time previous progressive radical refined reformed rushed senectuous streamlined tolerant too early too soon transfigured transformed twentieth-century ultra-ultra ultramodern uncrystallized unjelled unmatured unmeditated unpremeditated unprepared unripe untimely up-to-date up-to-datish up-to-the-minute venerable venturesome way out white white with age white-bearded white-crowned white-haired wide wrinkled wrinkly years old