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