Inexpressible/ˌɪnɪkˈspresəbl/ Definition 1 of 1Pro Tip 1/3Strong Emotions Use 'inexpressible' when feelings are too powerful to describe fully. His inexpressible grief at the news left him speechless. Pro Tip 2/3Beyond Words 'Inexpressible' indicates experiences that go beyond what words can convey. The view from the mountain summit was of inexpressible beauty. Pro Tip 3/3Complex Situations It's used when a situation is so complex, it's hard to communicate with language. The novel's inexpressible complexity made it a challenging read.