poorvspoorlyWhat's the difference?

Quick tell: poor is a adjective, poorly is an adverb, so they fill different roles in a sentence.

Which to use

“poor” is an adjective and “poorly” is an adverb - they look or sound alike but fill different roles in a sentence.

#855
“poor” frequency rank
#6,082
“poorly” frequency rank
6937
confusion score

Side-by-Side Comparison

Feature poor poorly
Definition With no or few possessions or money, particularly in relation to contemporaries who do have them. In a poor manner or condition; without plenty, or sufficiency, or suitable provision for comfort.

Where the spellings diverge

Shared letters are muted; the letters that actually set poor and poorly apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

4 ch
poor
6 ch
poorly

Spelling & Dictionary Insight

poor and poorly form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “poor” sits inside “poorly” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 6937, derived from the frequency rank of both members and their visual similarity.

poor is recorded at frequency rank #855, classified as anadj, pronounced /pʊɚ/. poorly is at rank #6,082, tagged as anadv, pronounced /ˈpʊə.li/.

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 6937, this pair ranks #509,330 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

poor#855
poorly#6,082

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "poor" and "poorly" be used interchangeably?
No, "poor" and "poorly" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering poor vs poorly

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “poor”; for an adverb, it's “poorly”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “poor” 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 FrequencyWords open word-frequency list