EnglishBlitz
toeic-linkpart-5grammarword-choicevocabulary

TOEIC Link Part 5: lose versus loose

Lose and loose differ by a single letter but are different parts of speech. Lose is a verb meaning to misplace or fail to keep. Loose is an adjective meaning not tight or not firmly fixed. Because one is an action and the other is a description, the grammar slot decides the answer before meaning enters — read the slot for part of speech first.

EnglishBlitz Team·

TOEIC Link Part 5: lose versus loose

Lose and loose are separated by just one letter, so Part 5 pairs them knowing the extra o is easy to miss. The good news is that these two words are not even the same part of speech: one is a verb, the other an adjective. That means you rarely have to decide on meaning alone. Read the slot for grammar first, and the answer usually settles itself. For the broader logic of questions decided by meaning versus form, see word choice versus word form.

The core rule: an action versus a description

  • lose is a verb (rhymes with "ooze") meaning to misplace, fail to keep, or be defeated: Be careful not to lose the receipt. / The firm could lose market share. It follows a subject and usually takes an object — you lose something.
  • loose is an adjective (rhymes with "goose") meaning not tight, not firmly fixed, or slack: A loose screw caused the rattle. / The schedule is too loose to hit the deadline. It sits before a noun or after a linking verb, describing the noun rather than doing anything.

A memory hook: loose has a double o, and it describes something with too much room — slack, baggy, not tight — just like the spelling has an extra letter. Lose is leaner by one o, the way losing something leaves you with less.

How to read the slot

  • A verb slot (after a subject or "to," often taking an object) → lose. In we cannot afford to lose clients, the team will lose the contract, the blank is an action. An adjective could never fill a verb slot.
  • An adjective slot (before a noun, or after "is / was / became") → loose. In a loose connection, the cap came loose, loose wording in the policy, the blank describes the noun. A verb could never sit there.

The fastest test: if the blank is doing something — failing to keep or being defeated — it is lose. If it is describing a noun as slack or not tight, it is loose.

Common Part 5 traps

  • Business passages lean toward lose. Sentences about revenue, customers, deals, and competition pull toward the verb (to lose a key account). Maintenance and quality passages pull toward the adjective (a loose fitting, loose ends in the report). Do not let the topic alone decide — confirm whether the slot needs a verb or an adjective.
  • Watch the verb forms. Lose / loses / losing / lost are all verb shapes; none of them is ever an adjective. If the slot needs a describing word, loose is the only candidate.
  • Spelling is the trap, meaning is the tell. Because the words look so similar, a distractor swaps them in a slot where part of speech makes the choice obvious. Read the grammar before you trust the spelling.

Quick check

Decide which word fits, then confirm with the action-versus-description test.

  1. If we raise prices too fast, we may (blank) loyal customers.
  2. The technician found a (blank) wire behind the panel.
  3. The new policy uses (blank) language that invites disputes.
  4. Investors worried the company would (blank) its lead in the market.

Answers: 1. lose (verb, fail to keep) 2. loose (adjective, not firmly fixed) 3. loose (adjective, slack wording) 4. lose (verb, be overtaken).

The takeaway

A one-letter trap that crosses parts of speech is easier than it looks: a verb slot meaning to misplace or fail to keep is lose, an adjective slot meaning not tight or slack is loose. Decide on grammar first and the spelling falls into place. For more pairs decided by form and meaning rather than sound, see affect versus effect and complement versus compliment.