trifling Antonyms - page 3
capital
capitol
cardinal
catechetical
central
chief
clef
commanding
consequential
exceptive
excrescential
exigent
invaluable
irruptive
key
leatherback
legendary
leonine
lionlike
litmus
magistral
main
major
mandatory
massive
material
meridional
momentous
indispensable
impressive
extensive
fairish
flagship
foremost
fundamental
gargantuan
good
grand
grave
great
hegemonic
hegemonical
hight
imperative
implying
important
more