broody

given to or marked by long, quiet thinking he spent a long, broody weekend trying to figure out where his relationship with his girlfriend was headed Synonyms contemplative, cogitative, meditative, melancholy, musing, pensive, reflective, ruminant, ruminative, thoughtfulRelated Words introspective, retrospective, self-reflective; earnest, grave, sedate, serious, serious-minded, severe, sober, solemn, somber (or sombre), weighty; philosophical (also philosophic); analytic (or analytical), logical, rational; deliberate, purposeful; absentminded, abstracted, preoccupiedNear Antonyms featherbrained, flighty, flippant, frivolous, goofy, harebrained, light-headed, scatterbrained; brainless, mindless, silly, thoughtless, unthinkingAntonyms unreflective