You either lost something, or something's not tied down. There is no in-between. Let's fix this once and for all — then you can prove it.
Here's the whole trick: loose has an extra O rattling around in it. Lose is missing one entirely. That's the whole difference. You're welcome.
rhymes with snooze, booze, choose
To no longer have something. To fail to win. To misplace, forfeit, or generally be down one (1) item you used to have.
rhymes with goose, moose, juice
Not tightly fixed, fastened, or restrained. Free to jiggle, wander, or fall off entirely. Has room to move.
Real sentences. Real regrets. Corrected for your protection.
"I'm gonna loose my mind."
I'm gonna lose my mind.
Your mind isn't untethered and wandering — it's gone. That's a lose situation.
"Tie your shoelaces, they're lose."
Tie your shoelaces, they're loose.
The laces haven't vanished. They're just flapping around, unrestrained. That's loose.
"Don't loose the game on purpose."
Don't lose the game on purpose.
You can't "loose" a game unless you're setting it free into the wild.