in·ex·pres·si·ble /ˌɪnɪkˈspresəbəl◂/ adjectiveadj formal EXPRESSan inexpressible feeling is too strong to be described in words 〔情感过于强烈而〕难以言传的 inexpressible gratitude 难以言表的感谢
—inexpressibly adverbadv
inexpressible• And then, to her almost inexpressible joy, she saw the familiar tall, broad-shouldered figure across the station.• Looking up into his concerned brown eyes, I had felt an inexpressible sense of relief.