splen·did / ˈsplendid/ • adj. magnificent; very impressive: a splendid view of Windsor Castle his robes were splendid. ∎ inf. excellent; very good: a splendid fellow | [as interj.] “Is your family well? Splendid!” PHRASES: splendid isolation used to emphasize the isolation of a person or thing: the stone stands in splendid isolation near the moorland road.DERIVATIVES: splen·did·ly adv. a splendidly ornate style. splen·did·ness n.