This noun follows the standard English plural rule: simply add -s to the singular form.
Roundabout is regular. It follows the Standard -s rule.
Use plural verbs: "The roundabouts are ready" (not "is ready").
Yes. The plural roundabouts is standard across all English variants.
The word roundabout follows the standard English pluralization rule. When forming the plural, roundabout becomes roundabouts. This follows the Standard -s pattern, which is one of the most common plural rules in English.
Understanding why roundabout becomes roundabouts helps with spelling and pronunciation. This noun follows the standard English plural rule: simply add -s to the singular form.
When using roundabouts in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The roundabouts are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.