Unsparingly.

The fact of leaving unhurt or unharmed; sparing; leniency, mercy. In the phrases without spare and to make (no,etc.) spare. Obsolete.

Quarter (in battle), as in to give grith. without(en) grith: no quarter being given; hence, without mercy, relentlessly. Obsolete.

= mercilessly, adv. Obsolete.

= mercilessly, adv.

In a merciless manner.

(un-, prefix1 affix 5. Cf. unsparing, adj.)

pitilessly.