| Definition/Meaning | Word/Phrase |
| bosom friend |
alter ego
|
| very close and trusted friend who seems almost a part of yourself |
alter ego
|
| friend, intimate |
alter ego
,
confidant
,
confidante
,
intimate
|
| friend or comrade |
amigo
|
| disloyal person who betrays or deserts his cause or religion or political party or friend etc. |
apostate
,
deserter
,
ratter
,
recreant
,
renegade
,
turncoat
|
| one friend who is closest to you |
best friend
|
| male friend or lover |
boyfriend
|
| close friend who accompanies his buddies in their activities |
brother
,
buddy
,
chum
,
crony
,
pal
,
sidekick
|
| United States railroad engineer who died trying to stop his train from crashing into another train; a friend wrote a famous ballad describing the incident (1864-1900) |
Casey Jones
,
John Luther Jones
,
Jones
|
| good friend |
chum
|
| Italian financier and statesman and friend of the papal court (1389-1464) |
Cosimo de Medici
,
Cosimo the Elder
|
| close friend or co-worker |
crony
|
| friend of Phintias who pledged his life that Phintias would return (4th century BC) |
Damon
|
| legendary friend of Gilgamish |
Enkidu
|
| girl friend of a gangster |
gangster's moll
,
gun moll
,
moll
|
| female friend |
girlfriend
|
| any female friend |
girlfriend
|
| male friend from your neighborhood or hometown |
homeboy
|
| (Arthurian legend) one of the knights of the Round Table; friend of King Arthur until (according to some versions of the legend) he became the lover of Arthur's wife Guinevere |
Lancelot
,
Sir Lancelot
|
| informal term for a friend of the same sex |
mate
|