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