i Register
In some senses, amain is marked as archaic, literary, obsolete, figuratively, British. Watch for register when choosing this word.
adv
With all of one's might; mightily; forcefully, violently.
And in beholding how he [the cyclops Polyphemus] fed and belked vp againe His bloody vittels at his mouth, and vttred out amayne The clottred gobbets mixt with wyne, I [Odysseus] thus ſurmyſde: like lot Hangs ouer my head now, and I muſt alſo go to pot.
So likewiſe turnde the Prince vpon the Knight, And layd at him amaine with all his will and might.
At full speed; also, in great haste.
At length the Danes beeing aſſayled on eche ſide, both a front before, and on their backes behinde, oppreſſed as it were wyth multitude, they threwe downe theyr weapons and fled amain.
[T]he Queene o'th Skie [i.e., Juno], Whoſe watry Arch, and meſſenger, am I. Bids thee leaue theſe, & with her ſoueraigne grace, Here on this graſſe-plot, in this very place To come, and ſport: here [i.e., her] Peacocks flye amaine: Approach, rich Ceres, her to entertaine.
Out of control.
The waggonway lay near the Windmill Hills and went down the north side of the hills to the Rivir Tine, and at the Coal steath [= staithe] Mathew Gray lived. I was about hauf way down the bank when thur was two Waggons Coming after me Amain [= broken loose and running away].
Exceedingly; overmuch.
Riches are mine, Fortune is in my hand; They whom I favour thrive in wealth amain, While Virtue, Valour, Wiſdom ſit in want.
The herd approach'd; each guest, with busy brain, Arriving at the portal, gaz'd amain, And enter'd marveling: […]
verb
To lower (the sail of a ship, particularly the topsail).
To decrease or reduce (something).
To lower the topsail in token of surrender; to yield.