Lighter Wise partly obscured by old Morecambe's feature?

• Thinner, as clouds
• Thinner, as smoke
• Harder to make out, as smoke

Wiktionary Word definitions in Wiktionary
a. (en-comparativewispy)

WordNet Word definitions in WordNet
adj. thin and weak; "a wispy little fellow with small hands and feet"- Edmund Wilson [syn: wisplike ] lacking clarity or distinctness; "a dim figure in the distance"; "only a faint recollection"; "shadowy figures in the gloom"; "saw a vague outline of a ...