Sentence:  I fled; but he pursued (though more, it seems, / Inflamed with lust than rage), and, swifter far, / Me overtook, his mother, all dismayed, / And, in embraces <WSD>forcible</WSD> and foul / Engendering with me, of that rape begot / These yelling monsters, that with ceaseless cry / Surround me, as thou saw'st— 
Meaning of the word marked with <WSD> tags:  Done by force, forced. <ref>"Oxford American Dictionaries" (MacBook widget)</ref>