1. dreamily or wistfully thoughtful.
2. expressing or revealing thoughtfulness, usually marked by some sadness.
Etymology: French (feminine); replacing Middle English pensif < Middle French (masculine), derivative of penser, “to think” < Latinpēnsāre, ”to weigh, consider”, derivative of pēnsus, past participle of pendere.
kill me milkyに収録したひとつ。
If anyone has a source, message me please. :)