Deep
Part of speech: noun
Definition: (meaning 1 above) part of a lake, sea, etc. The deep (meaning 2 above) part of a problem. (with "the"): the sea, the ocean A fielding position near the boundary.
Part of speech: adverb
Definition: deeply
Part of speech: adjective
Definition: Having its bottom far down. Profound, having great meaning or import, but possibly obscure or not obvious. Seriously or to a significant extent, not superficial. In extent in a direction away from the observer. Thick in a vertical direction. Voluminous Low in pitch Dark and highly saturated of a fielding position near the boundary, or closer to the boundary than one being compared to. a long way inside a long way forward in a number of rows or layers difficult to awake right into one's mind with a lot of Relatively farther downfield. three deep.
Example sentence: This life is like a swimming pool. You dive into the water, but you can't see how deep it is.
Esoteric
Part of speech: adjective
Definition: Understood only by a chosen few or an enlightened inner circle.Having to do with concepts that are highly theoretical and without obvious practical application.Confidential; private.
Example sentence: The Qur'an is in many ways far less concrete than the Bible, relying on the esoteric more often than the apparent.