91.The word insouciant means light-hearted, non-chalant or calm, the words perfunctory, pococurante and nonchalant convey the same meaning and are hence related words. Gossamer means light delicate. The words diaphanous (delicate), pellucid (translucent; glossy) and tiffany (thin gauze muslin) convey the same relationship as the word gossamer. Option A is not related. Choice (A)