forcible

Done by force, forced.

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 forcible and foul / Engendering with me, of that rape begot / These yelling monsters, that with ceaseless cry / Surround me, as thou saw'st—

The forcible administration of poison is by no means a new thing in criminal annals.

Having (physical) force, forceful.

[…] he drew her to him, laid a forcible detaining arm about her waist, and misapprehended her frantic revolt for an exhibition of maidenly reluctance.

Having a powerful effect; forceful, telling, strong, convincing, effective.

But that which hath been once most sufficient, may wax otherwise by alteration of time and place; that punishment which hath been sometimes forcible to bridle sin, may grow afterwards too weak and feebled.

Thou hast frighted the word out of his right sense, so forcible is thy wit.

Able to be forced.

[…] it seems that an entry is not forcible by the bare drawing up a latch, or pulling back the bolt of a door, there being no appearance therein of its being done by strong hand, or multitude of people; […]

But an entry may be forcible, not only in respect of a violence actually done to the person of a man, but also in respect of any other kind of violence in the manner of the entry, as by breaking open the doors of a house […]