Formal:
* The CEO gave a candid assessment of the company's financial situation.
* The artist's candid portrait captured the subject's raw emotion.
* Her candid opinions were always appreciated, even when they were controversial.
Informal:
* I'm not going to sugarcoat it, here's the candid truth.
* "Let's be candid, this plan isn't going to work," she said.
* The photographer's candid shots of the city's street life were incredibly captivating.
Literary:
* The author's candid memoir offered a rare glimpse into the struggles of a famous musician.
* The painting was a candid portrayal of the artist's inner turmoil.
As a noun:
* "I need to be able to offer my candid" said the speaker, "even if it's unpopular."
The word "candid" implies honesty, straightforwardness, and a lack of pretense. It can be used in a variety of contexts, from serious discussions to casual conversation.