sleek

1 ENTRIES FOUND:
sleek /ˈsliːk/ adjective
sleeker; sleekest
sleek
/ˈsliːk/
adjective
sleeker; sleekest
Britannica Dictionary definition of SLEEK
[also more sleek; most sleek]
1 
: straight and smooth in design or shape
3 

— sleekness

noun [noncount]