Difference between Extraneous and Impertinent

EXTRANEOUS vs IMPERTINENT: NOUN

One who interferes in what does not concern him; one who is rude, uncivil, or offensive in behavior; a meddler; an intruder.
An impertinent person.

Not pertinent to the matter under consideration
Not belonging to that in which it is contained; introduced from an outside source
Coming from the outside
Not constituting an essential or vital element or part.
Unrelated to the topic or matter at hand. : irrelevant.
Not belonging to, or dependent upon, a thing; without or beyond a thing; not essential or intrinsic; foreign.
Not essential or intrinsic
Not essential

Characterized by a lightly pert and exuberant quality
Not pertinent to the matter under consideration
Exceeding the limits of propriety or good manners; improperly forward or bold.
Not pertinent: : irrelevant.
Contrary to, or offending against, the rules of propriety or good breeding; guilty of, or prone to, rude, unbecoming, or uncivil words or actions
Trifing; inattentive; frivolous.
Insolent, ill-mannered
Irrelevant (opposite of pertinent)
Improperly forward or bold

In music, not belonging to a standard scale or key; chromatic.
Not belonging or proper to a thing; not intrinsic or essential, though attached; foreign: as, to separate gold from extraneous matter; extraneous ornaments or observances.
Synonyms See exterior.
Introduced from an outside source

Synonyms Impertinent, Officious, saucy, impudent, insolent, rude, unmannerly, pert, bold, Impertinent means forward, intrusive, generally from curiosity, but sometimes with undesired advice, etc.; officious means forward to offer and undertake service where it is neither needed nor desired. A busybody may be either impertinent or officious, or both. See impudence.
Contrary to the rules of propriety or good breeding; uncivil: speaking or acting presumptuously or offensively; pragmatical; meddling: as, impertinent behavior; an impertinent boy.
Negligent of or inattentive to the matter in hand; careless; frivolous.
Not pertinent; not pertaining to the matter in hand; not to the point; irrelevant; inapposite; out of place.

Needless, Unrelated, Vexatious, Useless, Unnecessary, Superfluous, Outside, Adulterating, Adulterant, Foreign, Impertinent, External, Immaterial, Extrinsic, Irrelevant

Snotty, Rude, Insolent, Forward, Overbold, Fresh, Smart, Spirited, Immaterial, Saucy, Pert, Extraneous, Irrelevant, Irreverent, Impudent

Exogenous, Needless, Unrelated, Vexatious, Useless, Unnecessary, Superfluous, Outside, Adulterating, Foreign, Impertinent, External, Immaterial, Extrinsic, Irrelevant

Snotty, Rude, Insolent, Forward, Overbold, Fresh, Smart, Spirited, Immaterial, Saucy, Pert, Extraneous, Irrelevant, Irreverent, Impudent

Speech as impertinent, when he yet proceeded further, and faid: Hickford.
Some of the greatest wines are borderline mad and downright impertinent.
Well, fair impertinent, your whisper is not lost, we hear you.
Not adhering to these formalities, you risk sounding rude and impertinent.
In this context only, rude and impertinent behavior is tolerated.
Scrappier impertinent bloodstain memoir adaptive iterate disarming apparent duellers timeconsuming.
You were not sent with any such impertinent message.
Impertinent Questions As LGBT people what is our goal?.
Kings Proclamation from Authority I, evadeanswering Impertinent questions.
Radiant, alluring and impertinent, it dazzles with presence.