| Main Entry: | |
| Part of Speech: | noun |
| Definition: | other side to personality |
| Synonyms: | doppelganger, evil twin, second self |
| Main Entry: | confidant |
| Part of Speech: | noun |
| Definition: | close friend |
| Synonyms: | acquaintance, adherent, adviser, alter ego, bosom buddy, companion, crony, familiar, intimate, mate, pal |
| Notes: | a person entrusted with private information is a confidante (feminine) or confidant (masculine) |
| Antonyms: | enemy, foe |
| Main Entry: | equal |
| Part of Speech: | noun |
| Definition: | peer |
| Synonyms: | alter ego, coequal, companion, compeer, competitor, complement, copy, counterpart, double, duplicate, equivalent, like, likeness, match, mate, parallel, rival, twin |
| Antonyms: | inferior |
| Main Entry: | friend |
| Part of Speech: | noun |
| Definition: | confidant, companion |
| Synonyms: | acquaintance, ally, alter ego, associate, bosom buddy, buddy, chum*, classmate, cohort, colleague, companion*, compatriot, comrade, consort, cousin, crony, familiar, intimate, mate, pal, partner, playmate, roommate, schoolmate, sidekick, soul mate*, spare*, well-wisher |
| Antonyms: | enemy, foe |
| Main Entry: | mate |
| Part of Speech: | noun |
| Definition: | one of a pair; partner |
| Synonyms: | acquaintance, alter ego, analog, assistant, associate, bedmate, bride, buddy*, chum*, classmate, cohort, colleague, companion, compeer, complement, comrade, concomitant, consort, coordinate, counterpart, coworker, crony, double, duplicate, familiar, friend, groom, helper, helpmate, intimate, match, pal*, peer, playmate, reciprocal, roommate, schoolmate, sidekick*, spouse, twin |
| Main Entry: | chip off the old block |
| Part of Speech: | noun |
| Definition: | family likeness |
| Synonyms: | alter ego, counterpart, second self, spitting image |
| Main Entry: | confidante |
| Part of Speech: | noun |
| Definition: | friend |
| Synonyms: | acquaintance, adherent, adviser, alter ego, amigo, bosom buddy, companion, confidant, crony, familiar, intimate, mate |
| Antonyms: | adversary, enemy, foe, rival |
| Main Entry: | gal Friday |
| Part of Speech: | noun |
| Definition: | female assistant |
| Synonyms: | alter ego, assistant, confidant, fidus Achates, girl Friday, hired hand, right-hand girl, second self |
| Main Entry: | right-hand man |
| Part of Speech: | noun |
| Definition: | important assistant |
| Synonyms: | alter ego, fidus Achates, gal Friday, man Friday, right hand, right-hand woman, second self, strong right arm |