'Slighter' definitions:

Definition of 'Slighter'

From: GCIDE

Slight \Slight\, a. [Compar. Slighter; superl. Slightest.] [OE. sli?t, sleght, probably from OD. slicht, slecht, simple, plain, D. slecht; akin to OFries. sliucht, G. schlecht, schlicht, OHG. sleht smooth, simple, Icel. sl?ttr smooth, Sw. sl[aum]t, Goth. sla['i]hts; or uncertain origin.]
1. Not decidedly marked; not forcible; inconsiderable; unimportant; insignificant; not severe; weak; gentle; -- applied in a great variety of circumstances; as, a slight (i. e., feeble) effort; a slight (i. e., perishable) structure; a slight (i. e., not deep) impression; a slight (i. e., not convincing) argument; a slight (i. e., not thorough) examination; slight (i. e., not severe) pain, and the like. "At one slight bound." --Milton. [1913 Webster]
Slight is the subject, but not so the praise. --Pope. [1913 Webster]
Some firmly embrace doctrines upon slight grounds. --Locke. [1913 Webster]
2. Not stout or heavy; slender. [1913 Webster]
His own figure, which was formerly so slight. --Sir W. Scott. [1913 Webster]
3. Foolish; silly; weak in intellect. --Hudibras. [1913 Webster]

From: GCIDE