retardvsretardedWhat's the difference?

Quick tell: retard is a noun, retarded is an adjective, so they fill different roles in a sentence.

Which to use

“retard” is a noun and “retarded” is an adjective - they look or sound alike but fill different roles in a sentence.

#17,936
“retard” frequency rank
#10,755
“retarded” frequency rank
28691
confusion score

Side-by-Side Comparison

Feature retard retarded
Definition A retardation; a delay. Delayed; delayed in development, hindered; impeded.

Where the spellings diverge

Shared letters are muted; the letters that actually set retard and retarded apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

6 ch
retard
8 ch
retarded

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: retard is /ɹɪˈtɑː(ɹ)d/ while retarded is /ɹɪˈtɑːdɪd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “retard” sits inside “retarded”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 28691, derived from the frequency rank of both members and their visual similarity.

retard is recorded at frequency rank #17,936, classified as anoun, pronounced /ɹɪˈtɑː(ɹ)d/. retarded is at rank #10,755, tagged as anadj, pronounced /ɹɪˈtɑːdɪd/.

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 28691, this pair ranks #369,065 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of retard vs retarded

Shared letters: adert. Private to "retard": -. Private to "retarded": -.

"retard" · 6 letters · shape CVCVCC  ·  "retarded" · 8 letters · shape CVCVCCVC

Known mistypes of this pair

  • retardertard · reatrd · retadr · retardd · retarrd · retrad · rettard · rretard
  • retardedertarded · reatrded · retadred · retardde · retardded · retardedd · retaredd · retarrded

Frequency comparison

retard#17,936
retarded#10,755

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "retard" and "retarded" be used interchangeably?
No - they are not even the same part of speech. "retard" is a noun and "retarded" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "retard" or "retarded"?
"retarded" is the more common of the two: it sits at frequency rank #10,755 in our English list, against #17,936 for "retard". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering retard vs retarded

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “retard”; for an adjective, it's “retarded”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “retard” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list