sheer1
Pronunciation: /ʃɪə/
adjective
adverb
noun

Origin:
Middle English (in the sense 'exempt, cleared'): probably an alteration of dialect shire 'pure, clear', from the Germanic base of the verb shine. In the mid 16th century the word was used to describe clear, pure water, and also in sheer1 (sense 3 of the adjective)