(Adjective) 1. a) incapable of being expressed in words : indescribable

b) inexpressibly bad : unspeakable

2. not to be uttered : taboo


In Context

“Such haziness was inevitable, because the questions Buber was trying to answer were the most ineffable ones of human life: What is the meaning of our existence? How can we achieve the feeling of wholeness that we so painfully lack?”

 Adam Kirsch, The New Yorker, 29 Apr. 2019