Loosely

adverb

1. In a loose manner.
2. Not tightly.

   "Insert all the bolts loosely, then tighten them."

3. Approximately.

   "It's red, to use the term loosely, sort of brown and sort of orange, let's call it reddish."

4. Used to indicate an imprecise use of words; short for loosely speaking

   "A whale is, loosely, maybe very loosely, a fish."