noun

1. A long vowel.

2. A long syllable.

3. A note formerly used in music, one half the length of a large, twice that of a breve.

verb

1. To take a long position in.

adjective

1. 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).

   “It's a long way from the Earth to the Moon.”

2. Having great duration.

   “The pyramids of Egypt have been around for a long time.”

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

Synonyms: extended, lengthy, prolonged, deep, extended, high, lengthy, tall