Keen

"Keen" in bg

енергичен

energičen

(showing a quick and ardent responsiveness or willingness)

интензивен

intenziven

(fierce, intense, vehement)

пронизващ

pronizvašt

(of cold, wind, etc.: cutting, penetrating)

ревностен

revnosten

(showing a quick and ardent responsiveness or willingness)

силен

silen

(fierce, intense, vehement)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.