unattended

As adjectives the difference between unattended and false

is that unattended is not attended while false is (label) one of two states of a boolean variable; logic.

As adjectives the difference between unattended and autonomous

is that unattended is not attended while autonomous is self-governing intelligent, sentient, self-aware, thinking, feeling, governing independently.

As a noun abandonment

is the act of abandoning, or the state of being abandoned; total desertion; relinquishment .

As an adjective unattended is

not attended.

As adjectives the difference between unattended and automatic

is that unattended is not attended while automatic is capable of operating without external control or intervention.

As a noun automatic is

a car with automatic transmission.

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 attempted and unattended

is that attempted is tried, with the connotation of failure while unattended is not attended.

As a verb attempted

is past tense of attempt.