Dictionary.com
Thesaurus.com
Synonyms

are

1 American  
[ahr, er] / ɑr, ər /

verb

  1. present indicative plural and 2nd person singular of be.

are 2 American  
[air, ahr] / ɛər, ɑr /

noun

  1. a measure of surface area: 1 are is equal to 1/100 (0.01) of a hectare (100 square meters or 119.6 square yards). a

are 1 British  
/ ɑː, ə /

verb

  1. the plural form of the present tense (indicative mood) of the verb `be' and the singular form used with you

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
are 2 British  
/ ɑː /

noun

  1.  a.  a unit of area equal to 100 sq metres or 119.599 sq yards; one hundredth of a hectare

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of are1

First recorded before 900; Middle English aren, are, arn, Old English (Northumbrian) aron; cognate with Old Norse eru, 3rd person plural; replacing Old English bēoth, sind; art 2

Origin of are2

First recorded in 1810–20; from French, from Latin ārea “vacant piece of level ground, open space in a town, threshing floor”; area

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.