It depends on the usage.
In reference to specific activities "sports" is the plural of "sport".
Example: "Baseball is a sport; Basketball and football are my favorite sports."
As a category of entertainment "sports" is primarily treated as an uncountable (a.k.a. group) noun like "rice" or "advice". Uncountable nouns are treated as singular nouns for subject/verb agreement, but not for other grammar rules such as article usage.
Example: "Sports is my favorite thing to watch on TV."
In British English "sport" is used as the group noun and "sports" is typically only used as the plural of "sport".
It is both a singular or plural noun.
No, the noun 'sports' is the plural form of the singular noun 'sport', a word for a type of activity or competition.
The noun 'shoe' is a countable noun, the plural form is shoes.A countable noun is a noun that has both a singular and a plural form.An uncountable noun is a singular noun that has no plural form (such as education or oxygen) or a plural noun that has no singular form (such as news or clothes).
Sheep is both singular and plural.
The noun 'buffalo' is an uncountable noun, used as both singular and plural.There are three accepted plural forms of the noun buffalo:buffalo (an uncountable noun)buffalosbuffaloes
It is both a singular or plural noun.
noun that are plural in form but singular in meaning
The noun cousin is the singular form. The plural noun is cousins.
No, the noun 'toucan' is a countable noun the plural noun is toucans.
Yes, the noun sheep is both singular and plural.
Examples of nouns that are both singular and plural are:aircraftdeerfishmeansmooseoffspringsalmonsheepshrimpspecies
Music is a singular, uncountable noun.
The noun 'syllabus' is the singular form. The plural forms are syllabi or syllabuses, both are accepted.
As a collective noun, it's both singular and plural.
No, the noun 'sports' is the plural form of the singular noun 'sport', a word for a type of activity or competition.
The noun 'shrimp' is singular or plural.The plural noun is either 'shrimp' or 'shrimps', both are accepted.
Both the singular and the plural for the noun sheep is sheep.