Long

Having much distance from one terminating point on an object or an area to another terminating point (usually applies to horizontal dimensions; see Usage Notes below).

Having great duration.

Seemingly lasting a lot of time, because it is boring or tedious or tiring.

Not short; tall.

Possessing or owning stocks, bonds, commodities or other financial instruments with the aim of benefiting of the expected rise in their value.

Of a fielding position, close to the boundary (or closer to the boundary than the equivalent short position).

That land beyond the baseline (and therefore is out).

On account of, because of.

Over a great distance in space.

For a particular duration.

For a long duration.

A long vowel.

A long integer variable, twice the size of an int or a short and half of a long long.

An entity with a long position in an asset.

To take a long position in.

To await, to aspire, to desire greatly (something to occur or to be true).

To be appropriate to, to pertain or belong to.