And if someone does not feel happy, how can they go about achieving that feeling? The dictionary defines it as feeling or showing pleasure or contentment. People who have wealth can be unhappy, just as the poor can be living on cloud nine.support best writing service INFORMAL EXPOSITORY ESSAY Definition Essay on Happiness. Happiness is a simple yet very complex term; if asked to define by individuals, many will have completely different definitions while some might be similar. Happiness, definition. Essay by Anonymous User, High School, 10th grade, A+, March Happiness, definition. (, March 09). In textassignmentwriting.online Definition Essay: Happiness. Happiness. It is not measurable, profitable, nor tradable. Yet, above all else in the world, it is what people seek.