unsupervised

As adjectives the difference between unsupervised and unattended

is that unsupervised is not supervised; not being constantly observed while unattended is not attended.

As adjectives the difference between unsupervised and free

is that unsupervised is not supervised; not being constantly observed while free is (label) unconstrained.

As an adverb free is

without needing to pay.

As a verb free is

to make free; set at liberty; release; rid of that which confines, limits, embarrasses, or oppresses.

As a noun free is

(australian rules football|gaelic football) abbreviation of free kick.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective unsupervised is

not supervised; not being constantly observed.

As adjectives the difference between unsupervised and unwatched

is that unsupervised is not supervised; not being constantly observed while unwatched is not watched; unsupervised.

As a verb unwatched is

past tense of unwatch.