• retrograde

    A retrograde action causes a return to a condition or situation that is worse instead of better than the present one.

  • retrospect

    When you consider something in retrospect, you look back on or think about what happened in the past with the advantage of knowing more now than you did then.

  • retroactive

    descriptive of any event or stimulus or process that has an effect on the effects of events or stimuli or process that occurred previously

  • retrofit

    provide with parts, devices, or equipment not available or in use at the time of the original manufacture

  • retrogress

    get worse or fall back to a previous condition

  • retrogression

    passing from a more complex to a simpler biological form

  • retrospective

    concerned with or related to the past

  • retrovirus

    any of a group of viruses that contain two single-strand linear RNA molecules per virion and reverse transcriptase (RNA to DNA)

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