With energy, force, or strenuous exertion; vigorously; violently. Now archaic and rare.

gen. In the positive degree.

With a great deal of effort, energy, or force; strenuously, vigorously; assiduously; fiercely; (in early use occasionally) intensely, profoundly…

In extended use (chiefly with other types of verb), in which fast is characterized as much by its… With verbs expressing forceful action or…

Strongly, powerfully, with force; stoutly, boldly; strenuously. Also: harshly, sternly, strictly. Now rare (Scottish in later use).

Stoutly, strongly, etc.

Strenuously, vigorously, hard; boldly, stoutly; firmly, strongly; (in later use) plainly, bluntly. Now rare (chiefly Scottish in later use).

Of physical action: with force, vigour, or violence; mightily, vigorously, violently. Obsolete.

In a fell manner; cruelly, fiercely, harshly; eagerly, vigorously. Obsolete.

Vigorously, strongly, keenly, etc.

= stoutly, adv. Now rare. †to bear oneself stout: to behave haughtily or defiantly.

Bravely, boldly, valiantly, ‘stoutly’; strongly, vigorously, forcibly, powerfully, energetically.

Resolutely; with sustained vigour; hardily. Obsolete.

Of conflict or attack: Eagerly, vigorously.

Vigorously, stoutly; persistently. Obsolete.

Vigorously, with might and main, lustily. ? Obsolete.

Obstinately; vigorously; boldly.

Actively, nimbly, energetically; quickly, rapidly, swiftly. Obsolete or dialect.

With vigour or energy; vigorously, energetically; with a will, heartily, cheerfully. Now said only of physical activity.

With great force or vigour; strongly.

Vigorously.

Stiffly, firmly, tightly, hard, etc. Phrase, to give it to someone (pretty) stiff: to speak severely to, to rate.

In a vigorous manner; with vigour or energy; by means of vigorous action, measures, etc.; actively and strongly.

Actively, energetically. Obsolete.

Scottish. Fiercely, violently; stoutly, vigorously.

By or with force or power, vigorously, violently.

Lustily, vigorously.

Perhaps: vehemently or with force.

In a lively manner; = lively, adv. (in various senses).

In a ‘crank’ manner; lustily, briskly, boldly, etc.

With powerful effect, energetically, strongly, vigorously; also, convincingly.

Boldly, briskly, lustily. Obsolete.

= wightly, adv.

With an aspect or manner suggesting pride; grandly, magnificently, splendidly; in a dignified manner; with vigour or force, spiritedly, exuberantly.

In an energetic manner; with (great) energy.

In a stiff manner; so as to be stiff; (in various senses of the adjective).

colloquial. In a vigorous or determined manner; (later) esp. (with reference to a contest, fight, dispute, etc.) with a rapid or furious exchange of…

figurative (with allusion to growing vegetation). Freshly, vigorously, youthfully.

With great energy or effort; vigorously, diligently. Also in later use: wildly, without restraint.

in a slashing manner; vigorously; severely.

With reference to attack or defence: Fiercely, vigorously.

In a robust manner; strongly.

Heavily; palpably; amply. Also: in an attractive or appealing manner.

Force or vigour, energy, ‘go’. †Also as adv., vigorously, sharply.

in a zippy manner; quickly, with great energy or liveliness.

In a punchy manner; forcefully, effectively; vigorously.

In a zingy manner; invigoratingly, energetically; with a zesty or piquant flavour. Cf. zingingly, adv.