ˈstifish adjective
: moderately stiff: as
a. : fairly rigid or inflexible
the zinnia is a stiffish flower
b. : rather strong
a stiffish wind
c. : tending toward constraint or formality
a stiffish diplomatic dinner
grand old lady, stiffish , but imposing — O.W.Holmes †1894
d. : pretty high : steep
demanded a stiffish advance — Burns Mantle