Dictionary.com
Thesaurus.com

retrospectively

American  
[re-truh-spek-tiv-lee] / ˌrɛ trəˈspɛk tɪv li /

adverb

  1. with contemplation of past situations, events, etc..

    You should examine your relationship retrospectively.

  2. with retrospective effect; retroactively.

    The law operates retrospectively.


Etymology

Origin of retrospectively

First recorded in 1600–10; retrospective ( def. ) + -ly ( def. )

Explanation

Doing something retrospectively means being conscious of what happened previously, or applying something new to past events. When you retrospectively comment on blog posts, you go back and comment on old articles. If you speak retrospectively, you talk about past events, and if a museum retrospectively honors an artist, it often displays work stretching back through her entire career. If your raise at work applies retrospectively, that means you'll get additional pay from days you worked in the past, as well as the future. The Latin root of retrospectively is retrospicere, "look back."

Keep Reading on Vocabulary.com

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Retrospectively, more and more people decided that closing schools had been a bad idea after all.

From Slate • Dec. 18, 2023

Retrospectively, we’ll tend to go, “Oh, you know what we’re doing there? We’re doing ‘Dream, Baby, Dream,’” or whatever we were going for.

From New York Times • Sep. 8, 2022

Retrospectively, researchers are just beginning to understand the toll that extreme heat has had on humans over the last couple of decades.

From Salon • Jul. 26, 2022

Retrospectively damning pop culture has become something of an old shtick now.

From The Guardian • Feb. 16, 2019

Retrospectively, the patient claimed not to remember the upset at the dinner, or what happened afterward, although recalling the trip to the Observation Pavilion.

From Benign Stupors A Study of a New Manic-Depressive Reaction Type by MacCurdy, John T. (John Thompson)