about; not exact but close a type of mathematics used for calculating such things as the slopes of curves the way someone or something is described someone who pays for a service a music writer ability to understand to come together a way of speaking a language that is used only in a particular area or by a particular group morally right or wrong concerning a fetus, an unborn baby the development of a plan, system, or proposal not stated directly going from the top to the bottom of something very small; on the edge; not important not involved; without strong feeling; without electrical charge; not acidic or akaline a gas in the air that has no smell or taste, and that all animals need to breathe one the amount of time something lasts better; higher quality the way something is used