IPA: /dɪˈzaɪərəs/
KK: /dɪˈzaɪərəs/
Feeling a strong wish or longing for something.
She was desirous of a new adventure in her life.
Desirous is formed from "desire" (from Latin "desiderare", meaning to long for or wish for) and the suffix "-ous" (meaning full of). The word "desirous" means full of desire or having a strong wish for something.
Think of 'desire' as a strong longing, and remember that 'desirous' means being full of that longing.