which of this is a possible meaning for the word repining in the rainy day poem.

"the rainy day poem"?

Is that the actual title? Who is the poet?

Or you could look up "repining" and see what you think:
https://www.dictionary.com

To determine the possible meaning of the word "repining" in the poem, "Rainy Day," we can employ a few strategies.

1. Contextual analysis: Examine the surrounding lines or stanza in which the word appears to understand the overall meaning of the poem.

2. Dictionary definition: Look up the word "repining" in a reliable dictionary to see its various meanings and usages.

3. Literary analysis: Analyze the poem as a whole, considering the themes, tone, and symbolism used, to identify any potential symbolic or metaphorical meanings.

4. Poet's intent: Research the poet's background and other works to understand their style and intentions, which may provide insights into the intended meaning.

By combining these strategies, we can gain a better understanding of the possible meaning of the word "repining" in the poem "Rainy Day."