"Honeying" means to sweeten or make something more pleasant, but there are several antonyms or opposite words that can describe the opposite effect. The first antonym for honeying is "astringent" which means harsh or bitter in taste. Another antonym is "blunt" which means to make something less sharp or harsh. If you want to describe something that is completely opposite of honeying, you can use the word "sour", which means acidic or bitter. In addition to that, "offensive" can be used as an antonym for honeying, which implies that something is disturbing or unpleasant. Lastly, "unpalatable" can also be used as an antonym which means unpleasant to the taste or unappetizing.