1. Free from prejudice; impartial. 2. Characterized by openness and sincerity of expression; unreservedly straightforward: In private, I gave them my candid opinion. See synonyms at frank1. 3. Not posed or rehearsed: a candid snapshot.
NOUN:
An unposed informal photograph.
ETYMOLOGY:
Latin candidus, glowing, white, pure, guileless, from candre, to shine. See kand- in Appendix I.