Strong's G1021 · Greek

βραδύς

bradus · brad-ooce'

of uncertain affinity; slow; figuratively, dull

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 3 * βραδύς , -εῖα, -ύ , slow : εἰς τὸ λαλῆσαι , Ja 1:19 ; metaph., of the understanding: β. τ. καρδίᾳ , assoc. with ἀνόητος , Lk 24:25 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain