| No. | Item | Definition |
|---|---|---|
| 1. | ace | a close trusted friend |
| 2. | acquaintance | someone known but not closely |
| 3. | admirer | someone who likes and supports you |
| 4. | advocate | someone who speaks for you |
| 5. | ally | someone who supports you |
| 6. | alter ego | a very close second self |
| 7. | amigo | a friend, from Spanish |
| 8. | associate | someone connected through work or activity |
| 9. | bandmate | a companion in a band |
| 10. | bestie | a best friend |
| 11. | BFF | a very close best friend |
| 12. | booster | an enthusiastic supporter |
| 13. | bosom buddy | a very close friend |
| 14. | bro | an informal male friend |
| 15. | brother | a very close male friend |
| 16. | buddy | an informal friend or companion |
| 17. | bunkmate | a companion sharing sleeping quarters |
| 18. | busmate | a regular bus companion |
| 19. | champion | someone who strongly supports you |
| 20. | chum | an old-fashioned informal friend |
| 21. | classmate | a friend from school classes |
| 22. | cohort | a companion or associate |
| 23. | collaborator | someone working with you |
| 24. | colleague | a professional associate |
| 25. | compadre | a close friend or companion |
| 26. | companion | someone who spends time with you |
| 27. | compatriot | a fellow countryman or ally |
| 28. | comrade | a companion sharing aims or struggles |
| 29. | confidant | someone trusted with private thoughts |
| 30. | cooperator | someone who works with you |
| 31. | coworker | a work associate |
| 32. | crony | a close longtime associate |
| 33. | dawg | a slang close friend |
| 34. | dear one | a loved close companion |
| 35. | defender | someone who stands up for you |
| 36. | deskmate | a companion sharing a desk |
| 37. | dog | a slang male friend |
| 38. | familiar | a close acquaintance |
| 39. | fella | an informal male friend |
| 40. | fellow | a companion or peer |
| 41. | flatmate | a friend sharing a flat |
| 42. | flatty | an informal flatmate |
| 43. | guy | an informal male friend |
| 44. | helpmate | a helpful companion or partner |
| 45. | helpmeet | a helpful companion or spouse |
| 46. | homeboy | an informal male friend from home |
| 47. | homegirl | an informal female friend from home |
| 48. | homeslice | a slang close friend |
| 49. | homie | an informal close friend |
| 50. | housemate | a companion sharing a house |
| 51. | intimate | a very close trusted friend |
| 52. | kindred spirit | someone with similar feelings |
| 53. | lad | an informal male companion |
| 54. | lass | an informal female companion |
| 55. | loved one | someone dearly loved |
| 56. | main man | a chief close male friend |
| 57. | man | an informal male friend |
| 58. | marra | a northern English friend |
| 59. | mate | a friend, especially in British English |
| 60. | matey | an informal friendly companion |
| 61. | messmate | a companion sharing meals or quarters |
| 62. | mucker | a close informal companion |
| 63. | neighbor | a nearby acquaintance or friend |
| 64. | old buddy | a longtime close friend |
| 65. | old mate | a longtime friend or companion |
| 66. | old pal | a longtime informal friend |
| 67. | oppo | a British informal friend |
| 68. | pal | an informal close friend |
| 69. | pard | a Western-style companion |
| 70. | pardner | a folksy partner or companion |
| 71. | partner | someone paired with you |
| 72. | playfellow | a playmate or childhood companion |
| 73. | playmate | a child’s companion in play |
| 74. | ride-or-die | an extremely loyal friend |
| 75. | roomie | an informal roommate |
| 76. | roommate | a friend sharing housing |
| 77. | running mate | a companion in shared activities |
| 78. | schoolmate | a companion from school |
| 79. | shipmate | a companion on a ship |
| 80. | sidekick | a close companion in activities |
| 81. | sis | an informal female friend |
| 82. | sister | a very close female friend |
| 83. | soul brother | a deeply close male friend |
| 84. | soul sister | a deeply close female friend |
| 85. | soulmate | a deeply compatible companion |
| 86. | supporter | someone who backs you |
| 87. | sympathizer | someone sharing your feelings or cause |
| 88. | teammate | a companion on a team |
| 89. | travel companion | A companion during travel |
| 90. | true-blue | a loyal dependable friend |
| 91. | trusted companion | A reliable close friend |
| 92. | valued companion | A cherished friend or companion |
| 93. | war buddy | A friend from military service |
| 94. | well-wisher | someone wishing you success |
| 95. | wingman | a supportive social companion |
| 96. | womanfriend | A female friend or girlfriend |
| 97. | workfellow | A fellow worker or colleague |
| 98. | workmate | a friendly coworker |
| 99. | yearmate | A student in the same year |
| 100. | yokefellow | A close companion in shared work |