The word "more abating" suggests a decrease or reduction in something. The antonyms for this term would include words that signify an increase or intensification. These antonyms might include terms like "growing," "intensifying," "worsening," "strengthening," or "amplifying." These words all indicate that something is becoming more pronounced or severe, rather than lessening in intensity. Depending on the context, some other antonyms might be applicable as well. For example, if "more abating" was used in the context of rainfall, an antonym might be "torrential," which would suggest a sudden and heavy downpour rather than a gradual decrease.