slack   
borabora
slack, loosely tied; inert, not firm, flabby. See rebareba, rerarera [Richardson 1885]
ketraka
weak, faint; loose, slack (of a rope) [Hallanger 1973]
manandrona
to slacken, to make slack [Richardson 1885]
miborera
to be weak, to be feeble, to be loose, to be slack; to be cowardly; to be untidy, to be slovenly in one's dress; to be on the point of settling on the ground, as a bird [Richardson 1885]
tandrona
slack, not tight. See [Richardson 1885]
tandronina
to be made slack [Richardson 1885]