Difference between Unneeded and Extra

UNNEEDED vs EXTRA: NOUN

A supernumerary or walk-on in a film or play
An extra edition of a newspaper, which is printed outside of the normal printing cycle
A run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball; in Australia referred to as a sundry
Something additional of the same kind
An additional edition of a newspaper (usually to report a crisis)
A minor actor in crowd scenes
Something, such as an accessory on a motor vehicle, for which an additional charge is made.
A special edition of a newspaper.
A performer hired to play a minor part, as in a crowd scene in a film.
Something of an extra quality or grade.
A run, as from a bye, credited to the general score but not made from a hit.
Something in addition to what is usual or expected; something over and above the usual course or charge, or beyond what is usual.
Specifically An edition or a copy of a newspaper issued at an unusual hour to convey special intelligence.
In cricket, a score or run not made from the bat, as a bye or a wide: usually in plural.
An edition of a newspaper issued at a time other than the regular one.
Something more than is usual or necessary.

Added to a regular schedule
Further or added
More than is needed, desired, or required
More than or beyond what is usual, normal, expected, or necessary: : superfluous.
Subject to an additional charge.
Extraordinarily good; superior; as extra work, extra pay.
Beyond what is due, usual, expected, or necessary; additional; supernumerary; also, extraordinarily good; superior

Beyond the ordinary standard or measure; extraordinarily; unusually; uncommonly: as, this is done extra well; that is an extra high price.
More than what is usual, or than what is due, appointed, or expected; supplementary; additional; supernumerary: as, an extra price; an extra edition of a newspaper; extra diet; extra charges at a boarding-school.
A prefix of Latin origin, originally an adverb and preposition, meaning ‘outside, beyond.’ ;
Used in trade to denote a size somewhat larger than that, mentioned: as, extra elephant folio; extra foolscap octavo.

Unwanted, Uncalled for, Supernumerary, Reserve, Surplus, Supererogatory, Spare, Gratuitous, Redundant, Extra, Excess, Inessential, Needless, Superfluous, Unnecessary

Supernumerary, Surplus, Other, Duplicate, Redundant, Outside, Unscheduled, Superfluous, Unneeded, Added, Unnecessary, Excess, Special, Spare, Additional

Unwanted, Uncalled for, Supernumerary, Reserve, Surplus, Supererogatory, Spare, Gratuitous, Redundant, Extra, Excess, Inessential, Needless, Superfluous, Unnecessary

Supernumerary, Surplus, Other, Duplicate, Redundant, Outside, Unscheduled, Superfluous, Unneeded, Added, Unnecessary, Excess, Special, Spare, Additional

Adding unneeded fields will add to processing time.
Test that command exists and suppress unneeded output.
Never return unneeded chemicals to the original containers.
Which fields are unneeded and often left blank.
Are we maintaining unneeded warehouse or office space?
Depart all unneeded valuable items in the home.
Minimize distractions and bandwidth by closing unneeded programs.
Therefore, UPS strips unneeded data from navigation files.
Destroy Unneeded Personal Financial Records Shred unneeded credit card statements, ATM and debit card receipts, and other documents that contain personal financial information.
To separate needed tools, parts, and instructions from unneeded materials and to remove the unneeded ones.

COLLEGE EXTRA OFFER: To receive ESPN College Extra, customer must subscribe to a commercial base programming package.
Taking extra classes is best avoided because it may delay your graduation date, not to mention the obvious financial burden of the extra fees.
This is an extra activity that is now added in GTA San Andreas to make extra income for the player.
Although most people will only consider investing in a traditional visa, this could take some extra time and sometimes extra money to obtain.
But if you want to shrink your debt faster, you can make larger extra payments or extra ones.
Avoid waiting by the mailbox, making extra trips, and paying extra fees just so you can cash or deposit your tax refund.
It also has an extra wooden tray that slides out from underneath to give us extra space for meal prep.
Go the extra mile by having his gift personalized making it extra special for him.
Note that the extra level of indirection involves an extra memory allocation.
We paid extra for extra leg room and reclining seats.