Singly (adv.) Individually; particularly; severally; as, to make men singly and personally good.

Singly (adv.) Only; by one's self; alone.

Singly (adv.) Without partners, companions, or associates; single-handed; as, to attack another singly.

Singly (adv.) Honestly; sincerely; simply.

Singly (adv.) Singularly; peculiarly.