No, it does not. It means not nice, dreary, stale, dark.
By stale I'm guessing you mean 'without oxygen'. The exception to "stale" veins are the Pulmonary Veins. They are veins because they lead back to the heart, but they come from the lungs filled with oxygen.
It means a huge park which has homeless living in it. It can also mean stale bread.
The homophone for "stale" is "stale," as in when two or more words sound the same but have different meanings.
I do not have a stale mouth. Who said that i have a stale mouth? :D :D
stale laptop with catsup
No, the word stale is an adjective. The noun form for the adjective stale is staleness.
it means it wont go off or stale does not require refrigeration
It means bread that is dry and slightly stale, which is usually several days old. If you need stale bread (for stuffing, for example) and you don't have any, leaving it uncovered overnight is a good way to 'stale' it.
The antonym of stale is fresh.
fresh
No, "stale" is not a verb. It is an adjective that describes something old or no longer fresh.