Lose vs loose: how to choose the right word every time

The short rule: lose is a verb, loose is mostly an adjective

Merriam-Webster notes that lose typically functions only as a verb, with meanings such as to miss from one's possession or from a customary or supposed place, or to undergo defeat in. Loose, on the other hand, occupies many more parts of speech. It is most often an adjective, meaning not rigidly fastened or securely attached, or not tight-fitting.

That difference gives you a first quick test. If the word describes a noun (a loose tooth, loose trousers, a loose connection), it is loose. If it is an action that someone does or that happens to someone (lose a wallet, lose a match, lose weight), it is lose.

A short memory trick: loose has an extra o because it is a little too big, like loose clothes. Lose has lost an o.

How to say them: the sound is the real difference

The two words do not end with the same sound, and this is the clearest way to remember which is which. As VOA Learning English explains, lose ends in the /z/ sound, while loose ends in the /s/ sound.

You can feel the difference with your hand on your throat. For lose (rhymes with choose), your voice box vibrates on the last sound, like a buzzing bee. For loose (rhymes with goose), the last sound is a soft hiss with no vibration, like a snake.

• lose: the vowel is long and the word ends in a buzzing z. Say "looz".
• loose: the same long vowel, but the word ends in a hissing s. Say "looss".

Many learners write loose when they mean lose because the sounds are close and the spellings look alike. Merriam-Webster points out that lose rhymes so well with choose that people tend to assume it should contain a second o. Say the word aloud before you write it: if you hear the buzzing z, it is lose.

For more on the long vowel in both words, see our guide to English vowel sounds.

When to use lose: meanings and examples

Lose is a verb, so it changes form: lose, loses, losing, lost. Its past form is lost, never "losed" or "loosed". Here are its main meanings, with sentences from the Oxford Advanced Learner's Dictionary:

• Not be able to find something: Here, tie it round your neck so you don't lose it. Let's hope the airline doesn't lose our luggage this time.
• Have something taken away: You will lose your deposit if you cancel the order.
• Have fewer of something, or be without someone: We cannot afford to lose any more senior members of staff. The average business loses 20 per cent of its customers every year.
• Fail to win: We lost the match by one goal.

Lose also appears in many fixed phrases: lose your temper, lose track of time, lose weight, lose your way, lose heart, lose touch. In all of them it is the verb, so it is spelled with one o.

A good habit: when you write a sentence with lose, check that you can change the word into lost and the sentence still works in the past (I lost my keys). If you can, you have the right word.

When to use loose: meanings and examples

Loose is more flexible. According to Merriam-Webster, it can be an adjective (not rigidly fastened or securely attached, or not tight-fitting) or a verb (to free from restraint, or to let fly or discharge). It is less commonly a noun (the release of an arrow from a bow) or an adverb (in a loose manner).

As a learner you will mostly need the adjective:

• Not fixed firmly: You're not connected to the internet because there's a loose connection in the plug.
• Not tight on the body: She wore a loose jacket over her dress.
• Not tied or packed together: After the meeting, I was shocked to find a few loose sheets of paper with confidential information lying on the floor.
• Free, not held back: The dog got loose and ran into the garden.

The verb loose is rare in everyday speech. You may meet it in set phrases such as "loose a rumour" or "loose an arrow", mainly in writing. If you are not sure, you almost never need the verb.

Common phrases with the adjective include: a loose end, loose change, loose talk, on the loose (free and not caught), and let loose (to release something, or to act without restraint).

Does "to lose" or "to loose" go before the verb?

Learners often ask whether "to loose" or "to lose" is correct. In nearly every case the answer is to lose, because the sentence needs a verb that means misplace, fail to win or have less of something.

• Wrong: I don't want to loose my job.
• Right: I don't want to lose my job.
• Wrong: Our team will loose the game.
• Right: Our team will lose the game.
• Wrong: This belt is too lose.
• Right: This belt is too loose.

The same problem happens with losing and loosing. "Loosing" does exist (it comes from the verb loose, to set free), but if you are writing about weight, a match or a lost item, the word you want is losing: I'm losing patience.

One more check for the verb form. If the sentence needs a past form, lost is for lose: yesterday I lost my phone. There is no "loosed" in this meaning.

Loose my hair, loose a match: three common mix-ups explained

"Loose my hair" is almost always a mistake for lose my hair, meaning your hair falls out. If you mean that your hair is not tied back, say my hair is loose or I let my hair loose. Here the adjective loose describes the hair and does not need a verb.

"Loose a match" is wrong for the same reason. You lose a match, a game or an argument. You do not loose it. A match is something you can win or lose.

"Lose" and "loose" with weight. To become lighter is to lose weight. If your clothes feel too big after that, they are loose. You can say both in one sentence: I lost five kilos, so my trousers are loose now.

A fast three-step check before you press send:

1. Is the word a verb about misplacing, failing to win or having less? Use lose.
2. Does the word describe how something fits or is attached? Use loose.
3. Say the word aloud. A buzzing z at the end means lose. A soft hiss means loose.

Practice: choose lose or loose

Fill each gap with lose, loose or the correct form. Answers are below the list.

1. I always ___ my umbrella when it rains.
2. These shoes are too ___ for me.
3. Our team could ___ the final.
4. Be careful with that ___ wire.
5. He is afraid he will ___ his job.
6. The horse got ___ from its stable.
7. How many kilos did you ___ last year?
8. Use ___ leaf tea if you have it.

Answers: 1. lose. 2. loose. 3. lose. 4. loose. 5. lose. 6. loose. 7. lose. 8. loose.

To use the pair in speech, try two short sentences out loud, three times each: "I don't want to lose my keys." "My tooth is loose." Notice the buzzing z in the first and the hissing s in the second.

Speaking out loud is the quickest way to make the difference automatic, because your ear learns what your eyes keep mixing up. If you want a partner to practise with, our guide to English speaking practice shows a daily routine, and an AI tutor can say the words back to you in a real conversation.