The word "candid" is defined as being open, sincere, and straightforward in expression. To find the word most similar in meaning, we compare the given options:
Based on these comparisons, the word most similar in meaning to "candid" is Frank.
The task is to identify the synonym for the word "Candid" from the given options. Let's analyze the meaning:
Among the options, Frank aligns closest in meaning to Candid as both suggest openness and straightforwardness. Therefore, the correct answer is Frank.