(exists, existing, existed)
Frequency: The word is one of the 1500 most common words in English.
1.
If something exists, it is present in the world as a real thing.
He thought that if he couldn't see something, it didn't exist...
Research opportunities exist in a wide range of pure and applied areas of entomology...
VERB: no cont, V, V
2.
To exist means to live, especially under difficult conditions or with very little food or money.
I was barely existing.
...the problems of having to exist on unemployment benefit.
VERB: V, V on n