TOEIC Link Part 5: loose versus lose
Loose and lose are separated by a single o, and because they look so similar on the page, test-takers read one and answer with the other. Part 5 does not forgive that slip. Loose is an adjective (and occasionally a verb) meaning not tight; not firmly fixed, while lose is a verb meaning to fail to keep, win, or find something. The blank almost always signals which part of speech it needs, so the choice comes down to reading the slot, not the sound. For the wider set of look-alike traps, start with the commonly confused word pairs master index.
The core rule: not tight versus fail to keep
- loose = not tight; not firmly fixed; free from restraint (adjective). A loose connection caused the equipment to shut down intermittently. It answers how tight or fixed is it? Link loose to slack and not secure, and note it modifies a noun or follows a linking verb (the bolt is loose).
- lose = to fail to keep, win, or find; to be deprived of (verb). If we delay the shipment, we may lose the contract. It answers what action of failing to keep? Link lose to misplace and fail to keep, and note it takes a direct object (lose the account).
The key difference: loose describes a state of not being tight, while lose names the action of failing to keep something. If the blank describes how fixed or tight something is, choose loose; if the blank is a verb about failing to keep, win, or find, choose lose.
Why Part 5 likes this pair
Because the two differ by only one letter, Part 5 sets a sentence where a fast reader could plausibly drop either into the blank, then rewards the reader who checks whether the slot needs an adjective or a verb. A blank after a / the / adjective + noun or after is / became wants loose; a blank after to / will / may / could wants lose.
Inspectors found a __ fitting on the main valve during the routine check.
An adjective meaning "not tight" needs loose.
If the firm cannot meet the deadline, it will __ the account to a competitor.
A verb meaning "fail to keep" needs lose.
Spotting the clue
Decide first what part of speech the blank needs, then confirm the meaning:
- Does the blank describe a noun or follow a linking verb (is, became, feels)? → choose loose (a loose thread, the screw is loose, loose change).
- Does the blank follow to / will / may / can / could / would as an action? → choose lose (may lose market share, do not lose the receipt, lose momentum).
A quick test: can you replace the blank with slack or not tight? Then it is loose. Can you replace it with fail to keep or misplace? Then it is lose. Because the split is grammatical, this pair sits alongside other look-alike traps such as precede versus proceed and complement versus compliment.
Common Part 5 patterns
- Anything describing "not tight / not fixed" wants loose: a loose wire, loose clothing, work itself loose, loose ends, a loose interpretation.
- Anything meaning "fail to keep, win, or find" wants lose: lose the bid, lose access, lose track of time, lose interest, cannot afford to lose.
Note the sound trap: loose rhymes with goose and ends in a soft s, while lose rhymes with choose and ends in a z sound. On the page, though, spelling is the only clue that matters, so read the slot rather than the pronunciation.
Quick reference
- loose = not tight (adjective) → think slack, describing a noun.
- lose = to fail to keep (verb) → think misplace, following to / will / may.
If the blank describes how tight or fixed something is, it is loose; if it is a verb about failing to keep something, it is lose. Read whether the slot wants an adjective or a verb and this pair stops being a guess.