regretting

/R IH0 G R EH1 T IH0 NG/
verb
  1. 1

    To feel sorry about (a thing that has or has not happened), afterthink: to wish that a thing had not happened, that something else had happened instead.

    He regretted his words.

  2. 2

    (more generally) To feel sorry about (any thing).

    I regret that I have to do this, but I don't have a choice.

  3. 3

    To miss; to feel the loss or absence of.

noun
  1. 1

    The act by which something is regretted.

Source: https://en.wiktionary.org/wiki/regret, https://en.wiktionary.org/wiki/regretting