This is a commonly heard slogan:

We do chicken right.

I understand which means "we cook chicken in a right way" ,and the word right to be adverbial.

1,But why not use the adverb form rightly instead? 2, Does it mean adjective phrases can serve as adverbial? Similarly:

the plane landed safe.

  • Advertising slogans aren't always strictly grammatical; they choose something that sounds punchy and memorable. To me, it recalls the phrase 'do right by someone', meaning to treat them in a proper manner. Commented Nov 30, 2019 at 9:24
  • Because English is seldom logical, and rightly isn't an idiomatic adjective. For an idiomatic adjective in that sentence, use correctly. Commented Nov 30, 2019 at 15:30

1 Answer 1


The adverbal form of right isn't usually "rightly", but "right".

Most adjectives can be changed to adverbs by adding "-ly" for example "angry->angrily". Other adjectives must be used without changing them, such as "fast->fast". Some can be used in both ways, perhaps with a slight difference in meaning. So we can say

He spoke angrily
He ran fast
He drives quick
He drives quickly

The particular choice of adverb depends on idiom. In the case of "right" you can say

He rightly says "the sun is a star".

But in most other cases the adverb is "right"

We cook chicken right.
Do it right or don't do it at all!
It is right beside you. The train arrived right on time.

In etymology, these adverbs are derived from Old English rihte but the adjective and "rightly" are derived from Old English riht. The distinction between the adverb and adjective has been lost in modern English.

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