flighty vs scatterbrained

flighty and scatterbrained both are adjectives.

Word	Noun	Adjective	Verb	Adverb
flighty	No	Yes	No	No
scatterbrained	No	Yes	No	No

As adjectives, flighty and scatterbrained are synonyms defined as:

Other synonyms of flighty include flyaway, head-in-the-clouds.

flighty (adjective)	scatterbrained (adjective)
unpredictably excitable (especially of horses)	lacking sense or discretion
guided by whim and fancy	guided by whim and fancy