• WordNet 3.6
    • adv retroactively after the fact "he will get paid retroactively"
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Webster's Revised Unabridged Dictionary
    • adv Retroactively In a retroactive manner.
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Century Dictionary and Cyclopedia
    • retroactively In a retroactive manner; with reversed or retrospective action.
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Chambers's Twentieth Century Dictionary
    • adv Retroactively in a retroactive manner: by operating on something past
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Chambers's Twentieth Century Dictionary
L. retroactus, retroagĕreretro, backward, agĕre, actum, to do.


In literature:

EPITAPH, n. An inscription on a tomb, showing that virtues acquired by death have a retroactive effect.
"The Devil's Dictionary" by Ambrose Bierce
Milner contended for a five years' retroactive franchise, with provisions to secure adequate representation for the mining districts.
"The Great Boer War" by Arthur Conan Doyle
Idea of flame might have been a retroactive hallucination.
"The Mystery" by Stewart Edward White and Samuel Hopkins Adams
Priority, retroaction, the opposition of agents, unity, stability and rhythm.
"Delsarte System of Oratory" by Various
There's an extradition treaty coming, but then there'd have to be a retroactive clause to do you any good.
"Murder in Any Degree" by Owen Johnson
This bill raises the salaries of members from $1000 to $1500, an increase of fifty per cent, and is retroactive.
"Have faith in Massachusetts; 2d ed." by Calvin Coolidge
The apotheosis will be retroactive, nay, it has already taken place.
"The Life of Reason" by George Santayana
In other words, was the principle, newly recovered, to be applied retroactively?
"Stephen A. Douglas" by Allen Johnson
It is to these people, and by retroaction, to yourselves, that you do harm when you govern unjustly.
"Superstition In All Ages (1732)" by Jean Meslier
So then I realised where Juggins retroactive existence is carrying him to.
"Behind the Beyond" by Stephen Leacock

In poetry:

Done with the varying distress
Of retroactive consciousness!
Set free to feel the joy unknown
Of Life and Love beyond my own!
"Eternal Me" by Charlotte Perkins Stetson Gilman

In news:

Once again, a season of high expectations retroactively becomes a "work in progress".
Brazil's president is scheduled to sign a reform package today that could retroactively legalize the deforestation of millions of acres in the Amazon.
Someday the national political conversation will shift away from Mitt Romney's "retroactive retirement" from Bain Capital and back to the federal budget.
Sues over retroactive Medicare pay denials.
Juvenile life sentence ban not retroactive , COA says.
It will be implemented retroactively , starting Jan 1, 2012.
But how do you pay retroactive taxes.
Retroactive stop-loss pay to close for good.
About 45,000 veterans are still owed thousands of dollars in retroactive stop-loss pay, and Pentagon officials say Oct 21 will be the final deadline to apply.
Madison Heights teachers get 10% retroactive pay cut, may sue district.
Mitt Romney retired from Bain Capital 'retroactively,' Ed Gillespie says.
The measure would be retroactive, applying to systems put in place after April 11, 2003.
It is Israel's biggest military engagement since the 2006 Hezbollah war, and therefore it will be a retroactive judgment on that engagement.
The move is retroactive to June 6 as Stubbs is also suffering from a flu-like virus.
The suspension is retroactive to Friday, when McDowell was placed on administrative leave by the Braves.

In science:

Proactive interference refers to prior learning interfering with subsequent learning; retroactive interference refers to post hoc learning confounding the prior learning (Wickens & Hollands, 2000).
Human Information Processing with the Personal Memex
This contributes an effective additional force field in the vicinity of R α , which in turn retroacts on β , leading to an induced hydrodynamic interaction that remains finite at all times.
Screening of hydrodynamic interactions for polyelectrolytes in salt solution
Del Vecchio D, Ninfa A, Sontag E: Modular cell biology: retroactivity and insulation.
TinkerCell: Modular CAD Tool for Synthetic Biology
Read-once CFTP may be viewed as a retroactive stopping rule.
How to Couple from the Past Using a Read-Once Source of Randomness
Abhijit S. thanks for support provided by NASA of the retroactive analysis WFPC2 photometry zero-points through grant HST-AR-09216.01A from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555.
The Hubble Constant: A Summary of the HST Program for the Luminosity Calibration of Type Ia Supernovae by Means of Cepheids