'Slightly' definitions:

Definition of 'slightly'

From: WordNet
adverb
To a small degree or extent; "his arguments were somewhat self-contradictory"; "the children argued because one slice of cake was slightly larger than the other" [syn: slightly, somewhat, more or less]
adverb
In a slim or slender manner; "a slenderly built woman"; "slightly built" [syn: slenderly, slimly, slightly]

Definition of 'Slightly'

From: GCIDE
  • Slightly \Slight"ly\, adv.
  • 1. In a slight manner. [1913 Webster]
  • 2. Slightingly; negligently. [Obs.] --Shak. [1913 Webster]

Synonyms of 'slightly'

From: Moby Thesaurus