besides this inbred neglect of liberal sciences and all arts, which should excolere mentem, polish the mind, they have most part some gullish humour or other, by which they are led [...].
Wikipedia foundation.
Gullish — Gull ish, a. Foolish; stupid. [Obs.] {Gull ish*ness}, n. [Obs.] [1913 Webster] … The Collaborative International Dictionary of English
gullish — gull·ish … English syllables
gullish — ˈgəlish adjective Etymology: gull (V) + ish : foolish, stupid … Useful english dictionary
Gullishness — Gullish Gull ish, a. Foolish; stupid. [Obs.] {Gull ish*ness}, n. [Obs.] [1913 Webster] … The Collaborative International Dictionary of English
