The Collaborative International Dictionary
Subsultorily
Subsultory \Sub*sul"to*ry\, a. [L. subsilire, subsultum, to spring up; sub under + salire to leap.] Bounding; leaping; moving by sudden leaps or starts. [R.] -- Sub*sul"to*ri*ly, adv. [R.]
Flippancy opposed to solemnity, the subsultory to the
continuous, -- these are the two frequent extremities
to which the French manner betrays men.
--De Quincey.