Adjective

(en adjective)

Directly related, connected, or pertinent to a topic.

His mother provided some relevant background information concerning his medical condition.

Not out of date; current.

* {{quote-news, year=1973, date=December 20, title=Hansen says Christmas time for thanks, hope, work=The Aberdeen Times citation

, passage=The message of Christmas is still relevant as we near the end of a troubled year and the beginning of an uncertain but challenging new year.}}

* {{quote-book, year=2008, author=Scott Cooper, Fritz Grutzner, Birk Cooper, title=Tips and Traps for Marketing Your Business, publisher=McGraw-Hill, isbn=978-0071494892 citation

, passage=Motorola was quickly losing the cell-phone battle to Nokia for a time. When they launched the RAZR phone and combined it with their "Hello Moto" campaign, it made the brand relevant again.}}

Adjective

(en adjective)

Outstanding in importance, of great consequence.

* 1725 , , Everybody's Business is Nobody's Business :

The reason why I did not publish this book till the end of the last sessions of parliament was, because I did not care to interfere with more momentous affairs.

* 1831 , , Homeward Bound , ch. 31:

"It has been a momentous month, and I hope we shall all retain healthful recollections of it as long as we live."

* 1902 , , The End of the Tether , ch. 3:

What to the other parties was merely the sale of a ship was to him a momentous event involving a radically new view of existence.

* 2007 July 1, , " Inferior Design," New York Times (retrieved 19 Nov 2013):

Natural selection is arguably the most momentous idea ever to occur to a human mind, because it — alone as far as we know — explains the elegant illusion of design that pervades the living kingdoms and explains, in passing, us.