Is sleek an idiom?

In: Idioms and Slang [Edit categories]

Relevant answers:

Where can you get idioms?
The best place is to go on your search engine and type in "list idioms"
What are idioms for?
Idioms are used for another way of saying things, in a more, creative way. As an example, if you were to say "That test was easy." You could have said it "That test was a piece of cake."
What are some American idioms and British idioms?
Get off your high horse Tongue in cheek Spill the beans Cat got your tongue Wet blanket Knock your socks off For the birds All thumbs Jump the gun Driving me up the wall Bad Blood A good...
Is the idiom in the eye of the beholder is common idiom?
This is not used as much as it once was, but people will know what you mean if you use it; it's not obsolete.
The idiom on top of the world where did this idiom come from?
Being 'on top' of something implies happiness or delight, and 'the world' includes your life, your work, and your family. Being 'on top of the world' represents your feeling of happiness when...