tending or intended to correct or counteract or restore to a normal condition; "corrective measures"; "corrective lenses"
designed to promote discipline; "the teacher's action was corrective rather than instructional"; "disciplinal measures"; "the mother was stern and disciplinary"
not similar; "a group of very dissimilar people"; "a pump not dissimilar to those once found on every farm"; "their understanding of the world is not so dissimilar from our own"; "took different (or dissimilar) approaches to the problem"
marked by quiet and caution and secrecy; taking pains to avoid being observed; "a furtive manner"; "a sneak attack"; "stealthy footsteps"; "a surreptitious glance at his watch"