different between unleashed vs unconnected

English

unleashed

unleashed (not comparable)

Not leashed; without a leash on it.
- 2007, Karen Chavez, Best Hikes With Dogs: North Carolina (page 31)
  Some trails are extremely narrow, and people might become easily intimidated by passing an unleashed dog in a confined space, especially a large, nosy dog.
(figuratively) Freed from any restraint, physical or otherwise.

un- +? connected

unconnected (comparative more unconnected, superlative most unconnected)

Not connected or joined.
The light wouldn't work because the cable was unconnected.
Confused or disconnected.
He talked in an unconnected series of short sentences.
Without connections of family, etc.

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