Which to use
“loony” and “lousy” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #38,025
- “loony” frequency rank
- #19,383
- “lousy” frequency rank
- 57408
- confusion score
Side-by-Side Comparison
| Feature | loony | lousy |
|---|---|---|
| Definition | Insane. | Remarkably bad; of poor quality. |
Where the eye mixes loony and lousy
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. loony and lousy follow the identical consonant-vowel pattern (CVVCV). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between loony and lousy
A purely visual mix-up. loony (/ˈluːni/) and lousy (/ˈlaʊ.zi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 57408, derived from the frequency rank of both members and their visual similarity.
loony is recorded at frequency rank #38,025, classified as anadj, pronounced /ˈluːni/. lousy is at rank #19,383, tagged as anadj, pronounced /ˈlaʊ.zi/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 57408, this pair ranks #119,463 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of loony vs lousy
Shared letters: loy. Private to "loony": n. Private to "lousy": su.
"loony" · 5 letters · shape CVVCV · "lousy" · 5 letters · shape CVVCV
Known mistypes of this pair
Frequently Asked Questions
Do "loony" and "lousy" mean the same thing in a sentence?
Which is more common, "loony" or "lousy"?
What to do next
Eye-level mix-up between "loony" and "lousy" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "loony" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lousy" - compare definitions side by side with the headword page. Word entry
- This pair ranks #119,463 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "loony" and "lousy" also get mixed up with nearby pairs, the highest-scored neighbour is "loony vs loy". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #119,463 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.