The phrase "felt dearth of" refers to a sense of lack or shortage of something. The antonyms for this phrase would be words that convey abundance or excess. For example, "plentiful," "ample," and "overflowing" all indicate that there is more than enough of something.
Other antonyms for "felt dearth of" might include words like "abundant," "bountiful," "lavish," or "profuse." Each of these words conveys a sense of plenty, indicating that there is no shortage or lack of the thing in question.
Overall, when we use antonyms for "felt dearth of," we are able to express the opposite sentiment, indicating abundance rather than scarcity.