In each of the following questions, choose the option opposite in meaning to the word or phrase underlined. She remembered how reticent her father had been ...

In this question, we need to find a word that is opposite in meaning to the word reticent. The word reticent describes someone who is reserved or not willing to talk much, especially about personal matters.

Now, let's look at each option:

- Unpredictable: This means behaving or changing in a way that is not expected. It does not directly relate to being reserved or open about personal matters.

- Insinuating: Typically, this means introducing something indirectly, especially something negative. It doesn't oppose the idea of being reserved.

- Difficult: While this can describe a challenging temperament, it doesn?t specifically contrast with being reticent.

- Forthcoming: This term means being open, communicative, and willing to talk openly about personal matters. This is the opposite of reticent, as it describes someone who is the exact opposite of reserved.

Therefore, the option opposite in meaning to reticent is forthcoming.