ellos parecieron

seemed, appeared

→ parecer
parec to seem, to appear + ieron 3rd person plural past
verb · third plural · past indicative Rare #47,523
seemed, appeared
SP: Ellos parecieron muy felices en la fiesta.
EN: They seemed very happy at the party.
Conjugation of parecer
Indicative past
SingularPlural
Third pareció parecieron

Tom y Mary me parecieron fantásticos.

I thought Tom and Mary were fantastic.

Para él, los cinco minutos parecieron cinco horas.

For him, the five minutes felt like five hours.

Me parecieron geniales.

I thought they were great.

— Black Phone 2 (2025)

No parecieron darse cuenta.

They didn’t seem to notice.