Make up can mean several different things: invent a story, end an argument, form part of a whole, or fix something you missed. The meaning you need changes the grammar rules too.
MAKE + UP = ... WHICH ONE?!
Four unrelated ideas, hiding inside two tiny words. That's a lot of work for "make up" to do.
Meaning #1: Invent a Story or Excuse
You make up something when you invent it, often to get out of trouble or to entertain someone.
He made up an excuse for being late.
Don't believe her, she made that story up.
Can you make up a bedtime story for your little sister?
This meaning is separable: the invented thing can go after "make up," or in the middle.
✅ She made up an excuse.
✅ She made an excuse up.
✅ She made it up. (with a pronoun, the small word must go in the middle)
❌ She made up it.
Meaning #2: End an Argument
Two people make up when they stop being angry with each other and become friendly again.
They argued all week, but they finally made up on Friday.
I hate fighting with my best friend. Let's make up.
This meaning is inseparable, and it usually needs no object at all. When you do mention the other person, you add with.
✅ We made up.
✅ We made up with each other.
❌ We made each other up. (this would sound like applying makeup to someone's face!)
Meaning #3: Form Part of Something
The people or things that make up a group are the parts that form it.
Students make up most of the people at this café.
Three small islands make up the whole country.
This meaning is inseparable. The parts always come right after "make up," never in the middle.
✅ Three islands make up the country.
❌ Three islands make the country up.
Meaning #4: Fix Something You Missed
You make up something you lost or missed, like time, sleep, or a mistake.
I'll make up the hour I missed by staying late tomorrow.
We can make up the lost time if we hurry.
With a direct object like this, it's separable:
✅ make up the time / make the time up
✅ make it up
But when you use make up for, the thing you're compensating for always follows "for" directly, and the phrase stays together:
✅ We stayed late to make up for the delay.
❌ We stayed late to make the delay up for.
🛠️ How to Use It
Most of the time, context tells you which meaning is intended. A story or excuse points to Meaning #1. An argument between people points to Meaning #2. A list of parts or percentages points to Meaning #3. Missed time, sleep, or a mistake points to Meaning #4.
⚠️ Common Mistakes
Inventing something, or ending a fight?
❌ We made up an argument. (sounds like they invented a fake argument)
✅ We made up after the argument. (they became friendly again)
Compensating with "for," or without it?
❌ We need to make up for the hour.
✅ We need to make up the hour. (direct object, no "for" needed)
✅ We need to make up for missing the hour. (with "for", followed by what caused the loss)
💬 In a Conversation
Leo: Are you still mad at your brother?
Mia: No, we made up last night.
Leo: What happened?
Mia: He made up a ridiculous excuse, and I couldn't stop laughing. Fight over.
💡 The OddLingo Trick
Think of "make up" as a costume that changes depending on the sentence it's wearing:
- A story appears → it means invent.
- Two angry people appear → it means be friends again.
- A list of parts appears → it means form.
- Something missing appears → it means compensate.
Same two words, four different jobs, all depending on who or what shows up around them.
👯 Similar Expressions
- come up with something: close to Meaning #1, for inventing an idea or excuse. She came up with a clever plan.
- patch things up: close to Meaning #2, for repairing a friendship. They patched things up after months of silence.
- catch up: close to Meaning #4, for closing a gap, especially with schoolwork. I need to catch up on the homework I missed.