Slackly

Slackly lying back in her armchair, she watched the little flames beginning to creep among the coals indifferently, as if they, too, were very distant and indifferent.

Night and Day, by Virginia Woolf 2004

Slackly, it seemed to him, and with reluctance, the twin attendants wheeled his plane out on the roof.

Brave New World Huxley, Aldous, 1894-1963 1932

Slackly lying back in her arm-chair, she watched the little flames beginning to creep among the coals indifferently, as if they, too, were very distant and indifferent.

Night and Day 1920

Slackly-held reins make stumbling steeds; and any man on whose shoulders is laid the weight of government is bound to feel it as a weight.

Expositions of Holy Scripture: Romans Corinthians (To II Corinthians, Chap. V) Alexander Maclaren 1868