the world > action or operation > manner of action > lack of violence, severity, or intensity > [adjective] > not vigorous or lively > not vigorous enough or as expected (3)
Comparatively weak or slow in operation; deficient in strength or activity; dull.
Of rules, discipline, conduct, observance: Loose, slack, not strict or severe. Of ideas, interpretation, etc.: Loose, vague, not precise or exact…
Of people, their disposition and behaviour. Of behaviour: half-hearted; not keenly felt or seriously intended. Of (usually negative) attitudes…