Use loose (two O's) as an adjective meaning not tight (loose clothes). Use lose (one O) as a verb meaning to misplace or fail to win (don't lose your keys).
The Core Difference
“Loose” is an adjective describing something that is not tight, not firmly attached, or free from restraint: loose trousers, a loose tooth, a loose knot.
“Lose” is a verb meaning to misplace something, to fail to win, or to no longer have something: lose your keys, lose the match, lose weight.
- adjective, not tight → loose (two O's): loose shirt, loose screw
- verb, misplace / fail to win → lose (one O): don't lose the ticket, lose the game
Loose and Lose in Context
These jeans are too loose around the waist.
Please don't lose your passport while travelling.
The team is likely to lose tonight's match.
A loose wire caused the short circuit.
If the screw stays loose, the shelf will lose its balance and fall.
Common Mistakes
| Incorrect | Correct | Why |
|---|---|---|
| ✗ don't loose your keys | ✓ don't lose your keys | verb, misplace |
| ✗ a lose shirt | ✓ a loose shirt | adjective, not tight |
| ✗ we might loose the game | ✓ we might lose the game | verb, fail to win |
| ✗ the knot is lose | ✓ the knot is loose | adjective, not tight |
| ✗ I don't want to loose weight | ✓ I don't want to lose weight | verb |
LOOSE has two O's, like a baggy hOOp — plenty of room, not tight. LOSE has one O, and losing something means you have lost one — one less O, one less item.
Related Questions
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Frequently Asked Questions
What is the quickest way to remember loose vs lose?
Count the O's: “loose” has two O's, matching the idea of extra room, like a loose, baggy sleeve. “Lose” has only one O, and when you lose something, you end up with less — one less O to match one less item.
Is loose ever used as a verb?
Rarely, and mostly in older or literary English, “to loose” can mean to release or set free (loose the dogs), but in everyday modern English, “loose” functions almost exclusively as an adjective.
What is a loose end?
“Loose end” is an idiom for an unfinished detail or unresolved matter: “There are still a few loose ends to tie up before the project launches.” It always uses the two-O adjective spelling.
Can you lose weight or loose weight?
The correct phrase is always “lose weight” — it uses the verb “lose”, meaning to have less of something (in this case, body weight). “Loose weight” is a very common spelling mistake.
Is lose pronounced the same as loose?
No — this is not a true homophone pair. “Loose” rhymes with “goose” (a hard “s” sound), while “lose” rhymes with “choose” (a “z” sound). Listening carefully to the sound can actually help you choose the correct spelling.
What does a loose cannon mean?
A “loose cannon” is an idiom describing an unpredictable person who may cause unexpected problems, originally referring to a ship's cannon that had broken free from its restraints and rolled dangerously on deck.
Is lost related to lose or loose?
“Lost” is the past tense and past participle of “lose” (I lose, I lost, I have lost). It has no relation to “loose”, which does not change form in the same way since it is an adjective, not a verb.
How do you use loose in fashion contexts?
In fashion, “loose” describes clothing that fits comfortably without being tight: “a loose-fitting dress”, “loose sleeves”. This is one of the most common contexts where the word appears in everyday writing.
Can screws or bolts be described as lose?
No — screws, bolts, and any physical fitting that is not tight are always described with the adjective “loose” (a loose screw), never the verb “lose”, which cannot describe a physical state of an object.
Why is this such a common typing mistake?
Because “lose” looks like it is missing a letter compared to “loose”, and because both words are short and visually similar, this pair is one of the most frequent typos in fast typing, even among fluent English speakers.