Introduction
If you’ve been on social media or around younger people lately, you might have heard the word “bae.” It’s a sweet nickname for a boyfriend or girlfriend. But what about a “side bae”? This is a more complicated term.
In simple words, a “side bae” is someone who is not your main romantic partner . It is a person who is kept as a “Plan B” when a primary relationship does not work out . It is different from a “bae,” which is your number one person . The term is important to understand because it is used a lot in modern slang and relationship talk.
This article will help students, writers, and ESL learners find the best synonyms for this tricky term, helping you understand the many meanings hidden in this short phrase.
What Does “Side Bae” Really Mean?
Let’s break it down. “Bae” is a term of endearment, usually used to refer to a boyfriend, girlfriend, or partner . On the other hand, a “side bae” is a secret person you are interested in or talking to while you are in another relationship. Think of it as a backup plan or a secret option .
The word itself is not very positive. It often suggests disloyalty and being secretive. In a relationship, having a side bae means you are not being honest. However, a “side bae” can also refer to someone who is in the “friend zone” but is kept interested with flirty conversations . This means the term can have a few different shades of meaning, from a secret partner to a flirtatious friend.
30+ Synonyms for “Side Bae”
Because “side bae” has different meanings, there are different for it. We have grouped these synonyms to make them easy to understand and use.
Group 1: The Secret Lover (Focus on Disloyalty)
These highlight the secret and dishonest nature of having a side bae.
| Word | Meaning (Simple Explanation) | Example Sentence | Best Usage Context |
|---|---|---|---|
| Side Piece | A person you are seeing on the side, not your main partner . | “He has a girlfriend, but I heard he also has a side piece.” | Casual conversations or social media posts. |
| Side Chick | A slang term for a woman who is a secondary girlfriend. | “She found out she was just his side chick.” | Informal, often in gossip or music lyrics. |
| Side Dude | A slang term for a man who is a secondary boyfriend. | “Her side dude takes her out when her boyfriend is busy.” | Informal, similar to “side chick.” |
| Mistress | A woman who is having a sexual relationship with a married man. | “The king had a secret mistress.” | Formal writing or historical contexts. It is serious. |
| Lover | A person’s partner in a sexual or romantic relationship. | “He met his secret lover in the park.” | More serious; can be used in literature or formal stories. |
| Other Woman/Man | The person someone is cheating with. | “She is the other woman in his life.” | Common in drama and gossip. |
| Flame | A former or current romantic partner (often with strong feelings). | “An old flame from college started texting him.” | Used when talking about past or secret romances. |
| Paramour | A lover, especially one who is not married to the person they are seeing. | “She discovered her husband’s paramour.” | Very formal; used in literature and old-fashioned writing. |
Group 2: The Flirtatious “Maybe” (Focus on Friend Zone)
These synonyms focus on the part where someone is kept interested but not officially a partner.
| Word | Meaning (Simple Explanation) | Example Sentence | Best Usage Context |
|---|---|---|---|
| Backup Plan | A person you will date if your current relationship fails. | “He’s just her backup plan in case things don’t work out.” | Honest and direct conversations. |
| Plan B | A secondary plan; the person you turn to second. | “If I don’t find a date, I’ll call my Plan B.” | Informal, can be seen as mean. |
| Flirtation | A person you flirt with but are not serious about. | “Their relationship is just a harmless flirtation.” | When talking about playful and unserious interactions. |
| Crush | A person you have a secret infatuation for. | “Her side bae is her secret crush from work.” | Safe and common for all ages. |
| Puppy Love | A temporary, shallow romantic feeling. | “It was just puppy love in high school, not a real relationship.” | Used for young or immature feelings. |
| Standby | A person who is always available when you need them. | “He was always her standby after her dates.” | Casual but can be hurtful. |
| Distraction | Someone who takes your mind off your real problems or relationship. | “After the fight, she looked for a distraction in a new guy.” | When the relationship is not serious; just for fun. |
Group 3: The Casual or Emotional Connection
These words focus on the “no strings attached” or emotional support aspect of a side bae.
| Word | Meaning (Simple Explanation) | Example Sentence | Best Usage Context |
|---|---|---|---|
| Friend with Benefits | A friend you have a sexual relationship with, but not a romantic one. | “They are just friends with benefits, not boyfriend and girlfriend.” | Modern, informal language. |
| Hook-up | A person you have casual sex with. | “He was just a hook-up from the party.” | Very casual and modern slang. |
| Booty Call | Someone you call late at night for sex. | “She ignored his booty call.” | Slang that is a little rude. |
| Emotional Crutch | Someone you depend on for emotional support, even if you don’t love them. | “He was her emotional crutch when she was sad.” | Useful for discussing mental health and relationships. |
| Comfort Person | The person you go to when you need to feel better. | “He wasn’t her boyfriend, just her comfort person.” | A softer, more modern term. |
| Text Buddy | Someone you talk to online or via text all the time but never see. | “They’re just text buddies; they’ve never met in person.” | Modern internet slang. |
| Confidant | A person you trust and share your secrets with. | “She told her confidant everything about her boyfriend.” | Formal and shows deep trust. |
Group 4: More General Romantic Synonyms
These are general words for a romantic partner, but they can be used in the “side bae” context depending on the sentence.
| Word | Meaning (Simple Explanation) | Example Sentence | Best Usage Context |
|---|---|---|---|
| Boo | A slang word for a boyfriend or girlfriend. | “He’s my boo.” | Very casual, often in social media. |
| Bae | The main boyfriend or girlfriend . | “She loves her bae very much.” | Modern slang for a main partner. |
| Significant Other | A formal term for a person’s partner. | “She brought her significant other to the party.” | Formal and polite writing or speaking. |
| Partner | A person you are in a relationship with. | “My partner and I live together.” | Neutral and common. |
| Sweetheart | A person you love or are in love with. | “He’s a real sweetheart.” | Old-fashioned and affectionate. |
| Boyfriend/Girlfriend | The most common terms for a romantic partner. | “She is his girlfriend.” | Standard and clear. |
| Companion | A person you spend time with. | “He was her companion for the evening.” | Formal, less romantic. |
Comparison Table: When to Use Which Synonym
| Situation | Best Synonyms | Why |
|---|---|---|
| Writing a Formal Essay | Paramour, Mistress, Significant Other, Lover | These are formal and serious words. |
| Talking to Friends | Side Piece, Hook-up, Backup Plan, Boo | These are slang and casual. |
| Social Media Post | Bae, Boo, Side Chick/Dude, Text Buddy | These are modern and internet-friendly. |
| Writing a Novel | Paramour, Flame, Confidant, Lover | These create mood and drama in stories. |
| Classroom Discussion | Partner, Significant Other, Friend with Benefits | These are clear and not too rude. |
How to Choose the Right Synonym
Choosing the right word depends on the situation. Here is a simple guide:
- Think about your audience: Are you talking to your best friend or your professor? Use casual slang for friends and formal words for school or work .
- Consider the meaning: Do you want to emphasize the secret part? Use “side piece” or “mistress” . Are you talking about a casual situation? Use “friend with benefits” or “hook-up.”
- Check the tone: “Backup plan” is a little mean. “Confidant” is kind and shows trust. Choose a word that matches your feelings.
- Be respectful: Some words like “mistress” or “side piece” can be very hurtful. Think about how the other person might feel .
Conclusion
The term “side bae” is modern slang for a secret or secondary romantic interest. It is a complicated word that can mean anything from a secret lover to a simple flirtation. This list of synonyms gives you many ways to express the exact shade of meaning you want.
if you are writing a story, learning English, or having a deep conversation, choosing the right word is important. By understanding these synonyms and their contexts, you can speak and write more clearly and accurately about modern relationships. This will make you sound more like a native speaker and a better writer.

David Henry is a language enthusiast and content writer specializing in synonyms, vocabulary, and word meanings. He creates clear, engaging resources that help readers improve their writing, communication, and English skills.