Centenarian definition is - one that is 100 years old or older. We've arranged the synonyms in length order so that they are easier to find. Nonagenarian definition, of the age of 90 years, or between 90 and 100 years old. Synonyms, crossword answers and other related words for 100 YEARS [century] We hope that the following list of synonyms for the word century will help you to finish your crossword today. A century is another word for one hundred years. Mathematically, the number 100 can also be expressed as 102. any period of 100 years. Last week we asked readers for their predictions of life in 100 years time. Technology has progressed much in the past 100 years however much of this seems a little of the realm of science fiction. Did You Know? See more. Common Era noun. A centenarian is a person who has reached the age of 100 years. Search for nearly 100 years and thousands of other words in English definition and synonym dictionary from Reverso. American Heritage® Dictionary of the English Language, Fifth Edition. See more. Inspired by ten 100-year predictions made by American civil engineer John Elfreth Watkins in … A person who is 100 years old or older is a centenarian. Synonyms for years include senility, agedness, dotage, senescence, elderliness, oldness, caducity, generation, lifespan and lifetime. an adj. For example, the 20th century is the period from 1900 to 1999. century noun. Below you will find some quotes from news stories about centenarians, to show how this word is used. a period of 100 years, usually counted from a year ending in –00. Century, which means 100 years, can be a synonym for 100. Interesting article – 100 years might seem so far away but is not really. a method of numbering years which refers to the period of time that began after the birth of Jesus Christ. Meanwhile, here are some other words for people who are not quite as old as centenarians: a person who is between 70 and 79 years … 100 years of the word ‘robot’ The term was first used in a Czech-language science fiction play R.U.R. Centenary definition, of or relating to a period of 100 years. I think the author’s projections are more than a little too early. JaiGuru 18 Feb 2013 Reply.