IPA: /ˈsliːkli/
KK: /sliːkli/
In a smooth and shiny way, often referring to appearance or style.
The car moved sleekly through the streets, turning heads as it passed.
Sleekly → It is formed from "sleek" (from Old Norse *slikr*, meaning smooth or sleek) and the suffix "-ly" (meaning in a manner of). The word "sleekly" means in a smooth or polished manner.
Think of something that is 'smooth' ('sleek') and done 'in a manner of' ('-ly'). This helps you remember that 'sleekly' describes doing something in a smooth or polished way.