IPA: /ˈʃɪrli/
KK: /ʃɪrli/
In a way that is completely or entirely something, without any other factors involved.
She was sheerly delighted by the surprise party.
Sheerly is formed from "sheer" (from Old English *sciere*, meaning pure or clear) and the suffix "-ly" (meaning in a manner of). The word "sheerly" means in a pure or clear manner.
Think of something being 'pure' or 'clear' ('sheer') and how it is done 'in a manner' ('-ly'). This helps you remember that 'sheerly' means to do something in a pure or clear way.