Dira is a word that means "dire" or "urgent" in English. If you're looking for synonyms in order to avoid repeating the same word, then you could try using words like critical, grave, serious, or pressing. Other options could be words like urgent, severe, imperative, or vital. Depending on the context, some other synonyms could be crucial, desperate, acute, perilous, or even dangerous. By using a range of synonyms for the word dira throughout your writing, you can keep your text sounding fresh and avoid potential monotony.