OOSOOM

That which cannot be seen or is not noticeable will be forgotten. An abbreviation of "out of sight, out of mind." Just sweep everything under the sofa—OOSOOM.

That which cannot be seen or is not noticeable will be forgotten. The boss hasn't been down to the warehouse in months, so he has no idea that there are so many issues in here. Out of sight, out of mind, I suppose. Just sweep everything under the sofa—out of sight, out of mind.

Prov. If you do not see someone or something frequently, you will forget about it. (Sometimes used to imply that you will forget about people who have moved away.) Ever since I moved, none of my old friends have gotten in touch with me. It's out of sight, out of mind with them, evidently. My electric bill somehow got moved to the bottom of the stack on my desk, and I forgot all about paying it. out of sight, out of mind.

If you say out of sight, out of mind, you mean that it is easy to forget about someone or something when you have not seen them for a long time. Then I went away for six months and he lost interest. Out of sight, out of mind. We just take for granted the fact that once we've used something up we put it in that bin and away it goes — out of sight, out of mind. Note: People often vary this expression. Absent employees may miss out on promotion prospects too — out of sight may well mean out of mind.

What is absent is soon forgotten. This phrase has been proverbial since Homer’s time. The Greek poet had it in the Odyssey (ca. 50 b.c.), and the earliest English appearance is in a 1501 translation of Thomas à Kempis’s The Imitation of Christ. For the opposite sentiment, see absence makes the heart grow fonder. Out of sight, a twentieth-century slangy expression meaning “Wonderful!” or “Beyond belief!” may become a cliché.