- Having great duration.
"The pyramids of Egypt have been around for a long time."
- (finance) Possessing or owning stocks, bonds, commodities or other financial instruments with the aim of benefiting of the expected rise in their value.
"I'm long in DuPont; I have a long position in DuPont."
- (obsolete) Occurring or coming after an extended interval; distant in time; far away.
- Having much distance from one terminating point on an object or an area to another terminating point (usually applies to horizontal dimensions;).
"It's a long way from the Earth to the Moon."
- (Britain, dialect) Not short; tall.
- (tennis, of a ball or a shot) That land beyond the baseline (and therefore is out).
"No! That forehand is long"
- (archaic) On account of, because of.
- Seemingly lasting a lot of time, because it is boring or tedious or tiring.
- (cricket) Of a fielding position, close to the boundary (or closer to the boundary than the equivalent short position).
- Over a great distance in space.
"He threw the ball long."
- For a long duration.
"Paris has long been considered one of the most cultured cities in the world."
- For a particular duration.
"How long is it until the next bus arrives?"
"Will this interview take long?"
- (finance) An entity with a long position in an asset.
"Every uptick made the longs cheer."
- (programming) A long integer variable, twice the size of an int, two or four times the size of a short, and half of a long long.
"A long is typically 64 bits in a 32-bit environment."
- (linguistics) A long vowel.
- (music) A note formerly used in music, one half the length of a large, twice that of a breve.
- (intransitive) To await, to aspire, to desire greatly (something to occur or to be true)
"She longed for him to come back."
- (transitive, finance) To take a long position in.
- (archaic) To be appropriate to, to pertain or belong to.