Intensely passionate, enthusiastic, or ardent; showing or expressing deep feeling with great intensity.
From Latin 'fervidus' (hot, boiling), derived from 'fervere' (to boil). It came into English in the 16th century, adding a more literary and poetic alternative to 'fervent'.
Fervid has a slightly darker, almost obsessive quality compared to fervent—fervid love or fervid imagination suggests something consuming and intense rather than just warm and earnest.
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