slack   
borabora
slack, loosely tied; inert, not firm, flabby. See rebareba, rerarera [1.2]
ketraka
weak, faint; loose, slack (of a rope) [1.7]
manandrona
to slacken, to make slack [1.2]
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 [1.2]
tandrona
slack, not tight. See [1.2]
tandronina
to be made slack [1.2]