Bulgarian-English translations for и́скрен

• honest
  We’re the most honest people you will ever come across
  an honest account of events
  honest reporting
• frank
  May I be frank with you?
  The research probes whether treating pre-diabetes with metformin can prevent progression to frank diabetes
  Buy a package of franks for the barbecue
• sincere
  I believe he is sincere in his offer to help.
  She gave it a sincere, if misguided effort.