pure, sincere

Strong’s Dictionary of Greek Words:

Greek:
εἰλικρινής
Transliteration:
eilikrines
Phonic:
i-lik-ree-nace’
Meaning:
from εἵλη (the sun's ray) and 2919; judged by sunlight, i.e. tested as genuine (figuratively)
KJV Usage:
pure, sincere