Difference between Absent and Nonexistent

ABSENT vs NONEXISTENT: NOUN

To withhold from being present.
To take or withdraw (one's self) to such a distance as to prevent intercourse; -- used with the reflexive pronoun.
To keep (oneself) away.

Showing preoccupation
Lost in thought
Stay away or leave
To make absent; take or keep away: now used only reflexively, but formerly sometimes otherwise, as by Milton: as, to absent one's self from home; he absented himself from the meeting.
Not in a certain place at a given time; not in consciousness or thought at a certain time; away: opposed to present.
Not existing; wanting; not forming a part or attribute of: as, among them refinement is absent; revenge is entirely absent from his mind.
Absent-minded (which see).

Abstracted, Wanting, Away, Scatty, Remove, Gone, Absentminded, Inattentive, Awol, Truant, Departed, Nonexistent, Lacking, Missing, Devoid

Irrelevant, Inadequate, Fully, Non existent, Isnt, Nil, Unavailable, Unheard, Inexistent, Nonextant, Wanting, Missing, Vanished, Absent, Lacking

Abstracted, Wanting, Away, Scatty, Remove, Gone, Absentminded, Inattentive, Awol, Truant, Departed, Nonexistent, Lacking, Missing, Devoid

Irrelevant, Inadequate, Fully, Non existent, Isnt, Nil, Unavailable, Unheard, Inexistent, Nonextant, Wanting, Missing, Vanished, Absent, Lacking

Spanish Club meetings when the President is absent.
Carrier shall not be liable absent actual negligence.
What molecule was noticeably absent from early earth?
The bolsters common to hotel rooms were absent.
Separate juvenile facilities countrywide are still virtually absent.
Republicans and one Democrat absent or not voting.
In general, the same rules and procedures apply to combined absent voter counting boards that apply to other absent voter counting boards.
It is usually defined by the length of time an individual has been absent from work or is likely to be absent from work.
It simply states absent posterior tibial pulse or absent dorsalis pedis pulse.
Body roundish, skull bones extremely thin, subocular shelf absent; supramaxilla reduced or absent; uniquely modified extrascapular bone.

NASA as an organization is low, or nonexistent.
Her appetite was practically nonexistent at this moment.
The pressure to bag a trophy is nonexistent.
The research on servantled followers is nearly nonexistent.
Nutritional deficiencies such as pellagra are almost nonexistent.
Effort has been nonexistent for many days now.
If Nirvana is a nonexistent thing, then how would it occur without reliance, since there is no nonexistent thing that occurs without reliance?
An air loan is a loan obtained on a nonexistent property or for a nonexistent borrower.
The air loan mortgage fraud scheme is a loan obtained on a nonexistent property or for a nonexistent borrower.
Where political alliances supporting reparations are weak or nonexistent, financing for such programs will also be weak or nonexistent.

What are psychotic disorders that involve perceptions of nonexistent sensory stimulation?
When did the album nonexistent by Living Sacrifice come out?
What can you do to Unlike nonexistent pages in Facebook?