The word "lowish" is used to describe something that is somewhat low or in a somewhat low position. Synonyms for "lowish" include words like "lower," "less," "reduced," "diminished," or "smaller." Other synonyms may depend on the context of the word, such as "subdued" or "quiet" when talking about a lowish voice or volume. While "lowish" may be an informal word, using synonyms can help to make your writing or speech more varied and precise. By using synonyms, you can add interesting detail to your descriptions while still conveying the same basic meaning.