Of pace: Slow; not smart or hurried.

Of an action, activity, or thing: marked or characterized by lack of haste or momentum; lacking liveliness or energy; unhurried, deliberate.

Slow, sluggish; said esp. of a fever, a fire. Obsolete.

Acting or developing slowly or over a relatively long period of time; having a slow pace or tempo; unhurried, leisurely.

Of a movement, passage, or composition: marked to be performed adagio. Also: of, relating to, or characteristic of an adagio; graceful, leisurely.

Proceeding in a worm-like manner. (In context figurative.)