fickle Antonyms

worthy of trust uncompromising trusty trustworthy true tempest sustainable sure steady steadfast staunch stationary statics stable single-minded unfailing unimpeachable as good as one's word as clean as a hound's tooth unwearying unbendable tried and true steady-going safety catch unvarying clean as a hound's tooth confirmed unwavering unchangeable unchanging unswayable retentive responsible dogged devout devoted determined dependable dedicated copper-bottomed constant cognizant chronological changeless certain aware assertive faithful FAST resolute