IPA: /ˌɛsəˈtɛrɪkli/
KK: /ˌɛsəˈtɛrɪkli/
In a way that is intended for or likely to be understood by only a small number of people with specialized knowledge or interest.
The philosopher spoke esoterically, making it difficult for the general audience to grasp his ideas.
Esoterically → It is formed from "esoteric" (from Greek "esoterikos", meaning inner or within) and the suffix "-ally" (meaning in a manner of). The word "esoterically" means in a manner that is intended for or likely to be understood by only a small number of people with specialized knowledge.
Think of something that is 'inner' or 'within' ('esoteric') and how it is done 'in a manner' ('-ally') that only a few can grasp. This helps you remember that esoterically refers to knowledge meant for a select group.