Inexpungible means that an event cannot be erased or undone, no matter how much you try. It is a concept that describes something so important or significant, it cannot be altered in any way. An example of an inexpungible event could be a major natural disaster, such as an earthquake or hurricane. Another example could be a significant political change, such as the election of a new leader or the passing of an important piece of legislation. In either case, the event cannot be undone or altered in any way, and it is seen as an essential part of history.

or a lead that the sales team has accepted.

Waves most often refers to:Plural form of wave, a propagating dynamic disturbance of one or more quantities.

to fire a shot from a gun:

to spend a large amount of money on a business or other piece of work:

to give your own meaning to something rather than what was intended:

to force someone to accept an idea, opinion, or principle:

to lead someone through a place:

having formally agreed to marry:

to have more of something than you are able to deal with:

to help someone to work or operate normally through a difficult period, usually by lending them money:

to give/not give someone or something your public support:

to depend on someone or something:

to prevent someone or something unpleasant from harming or coming close to you:

to remove an amount of something by cutting it:

to serve food and drink, especially to customers in a restaurant:

to take something or someone somewhere, esp. using a lot of effort:

If you play on/upon someones feelings, you encourage and make unfair use of these feelings in order to give yourself an advantage:

to give more details about something you have said or written:

to make someone gradually stop using something that is bad for them: