This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

ad. To a small degree or extent; somewhat.

ad. Slenderly; delicately: slightly built.

ad. Slenderly; delicately.

ad. To a small extent or degree.

ad. In a slight manner.

ad. Slightingly; negligently.

In a slight manner; slimly; slenderly; unsubstantially.

To a slight degree; to some little extent; in some small measure: as, slightly scented wood; slightly wounded.

With scant ceremony or respect; with little consideration; disparagingly; slightingly.

Easily; thoughtlessly.

ad. to a small degree or extent

ad. in a slim or slender manner

"While I might have exaggerated that speed slightly for dramatic input, the operative word is 'slightly* and the truth is not far out."

quite    very   

slightingly    negligently    marginally    somewhat    a little   

brightly    forthrightly    knightly    lightly    nightly    politely    rightly    sprightly    tightly    unsightly