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"Cosa" is a form of "cosa", a noun which is often translated as "thing". "Algo" is a pronoun which is often translated as "something". Learn more about the difference between "cosa" and "algo" below.
la cosa()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (object)
c. anything
¡Es increíble! Nunca he visto cosa igual.It's incredible! I've never seen anything like it.
d. nothing (in negative clause)
No hay cosa que más odie que las mentiras.There's nothing I hate more than lying.
2. (concern)
b. business
Deja de prestar tanta atención a las cosas del vecino.Stop paying so much attention to the neighbor's business.
a. situation
Pensé que ya se habría resuelto, pero la cosa está complicada.I thought it would have been worked out by now, but the situation is complicated.
4. (colloquial) (male genitalia) (Latin America)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
Regionalism used in Latin America: all the countries in South America, Central America, and the Caribbean. Does not include Spain.
a. thing (colloquial)
Después de la circuncisión, puede que le salga costra en su cosa.After the circumcision, he may have a little scab on his thing.
las cosas
A plural noun indicates that there is more than one person, place, thing, or idea.
algo()
A pronoun is a word that stands in for a noun (e.g., she).
