The phrase "exactly similar" functions as an adjective.
/ɪɡˈzæktli ˈsɪmɪlər/
"Exactly similar" refers to two or more things that are alike in every detail, without any differences. This phrase is often used in both oral and written contexts, particularly in formal discussions, academic writings, and comparative analyses. Its frequency of use can vary with context but it generally appears more in written language due to its formal nature.
Los dos informes eran exactamente similares en sus hallazgos.
Her dress was exactly similar to the one I wore at the party.
Su vestido era exactamente similar al que yo llevaba en la fiesta.
The twins have exactly similar tastes in music.
While "exactly similar" is not a common idiomatic expression, the concept of similarity is prevalent in various phrases. Below are some expressions that incorporate the theme of similarity with examples:
Tú y tu hermana son del mismo patrón; a ambas les encanta la aventura.
Birds of a feather flock together
Todos esos artistas son pájaros de la misma pluma, asistiendo a las mismas exposiciones.
On the same page
Antes de continuar, quiero asegurarme de que estamos en la misma página respecto al proyecto.
In the same boat
The word "exactly" comes from the Latin "exactus," which means "precisely" or "fully," combined with the adverbial suffix "-ly." The word "similar" originates from the Latin "similis," meaning "like" or "resembling." Together, "exactly similar" emphasizes a complete likeness.