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Webster 1913 Edition

Adj.

Actuated or characterized by passion or zeal; showing warmth of feeling; ardent; animated; excited;

as, an

impassioned

orator or discourse

Adj.

Actuated or agitated by passion.

The tempter all impassioned, thus began.

Animated; excited; having the feelings warmed; as an impassioned orator.

Animated; expressive of passion or ardor; as an impassioned discourse.

impassioned ‎(comparative more impassioned, superlative most impassioned)

Filled with intense emotion or passion; fervent.
- 1590, Edmund Spenser, The Faerie Queene, III.9:
  She was empassioned at that piteous act, / With zealous envy of the Greekes cruell fact / Against that nation […].
- 1839, Charles Dickens, Nicholas Nickleby, VI:
  The tears fell fast from the maiden's eyes as she closed her impassioned appeal, and hid her face in the bosom of her sister.

fervent