This is the 13640th most frequent Swedish word.
vegetariskt
"Vegetariskt" means "vegetarian" in English.
The word 'vegetariskt' is used here as an adjective describing 'något', functioning as a neutral form to align with the noun.
Kan du rekommendera något vegetariskt på menyn?
Can you recommend something vegetarian on the menu?
Here, 'vegetariskt' modifies 'pasta'. It is an error as it should be 'vegetarisk' to agree with the noun 'pasta' (common gender).
Jag beställde en vegetariskt pasta som var jättegod.
I ordered a vegetarian pasta which was very tasty.
In this sentence, 'vegetariskt' is used with 'alternativ', which is neutral here, making the usage correct.