[ am; unstressed uh m, m ]
/ æm; unstressed əm, m /
1st person singular present indicative of be.
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Origin of am
before 900; Middle English; Old English am, eam, eom; cognate with Gothic im, Old Norse, Armenian em, Old Irish am, Greek eimí, Hittite, early Lithuanian esmi, OCS yesmĭ, Albanian jam, Sanskrit asmi < Indo-European *Hes- be + *-m 1st person singular + *-i now; cf. is
Definition for am (2 of 9)
Definition for am (3 of 9)
Electronics. amplitude modulation: a method of impressing a signal on a radio carrier wave by varying its amplitude.
Radio. a system of broadcasting by means of amplitude modulation.
of, relating to, or utilizing such a system.Compare FM
Origin of AM
First recorded in 1935–40
Definition for am (4 of 9)
[ bee; unstressed bee, bi ]
/ bi; unstressed bi, bɪ /
verb (used without object), present singular 1st person am, 2nd are or (Archaic) art, 3rd is, present plural are; past singular 1st person was, 2nd were or (Archaic) wast or wert, 3rd was, past plural were; present subjunctive be; past subjunctive singular 1st person were, 2nd were or (Archaic) wert, 3rd were; past subjunctive plural were; past participle been; present participle be·ing.
to exist or live: Shakespeare's “To be or not to be” is the ultimate question.
to take place; happen; occur: The wedding was last week.
to occupy a place or position: The book is on the table.
to continue or remain as before: Let things be.
to belong; attend; befall: May good fortune be with you.
(used as a copula to connect the subject with its predicate adjective, or predicate nominative, in order to describe, identify, or amplify the subject): Martha is tall. John is president. This is she.
(used as a copula to introduce or form interrogative or imperative sentences): Is that right? Be quiet! Don't be facetious.
auxiliary verb, present singular 1st person am, 2nd are or (Archaic) art, 3rd is, present plural are; past singular 1st person was, 2nd were or (Archaic) wast or wert, 3rd was, past plural were; present subjunctive be; past subjunctive singular 1st person were, 2nd were or (Archaic) wert, 3rd were; past subjunctive plural were; past participle been; present participle be·ing.
(used with the present participle of another verb to form the progressive tense): I am waiting.
(used with the present participle or infinitive of the principal verb to indicate future action): She is visiting there next week. He is to see me today.
(used with the past participle of another verb to form the passive voice): The date was fixed. It must be done.
(used in archaic or literary constructions with some intransitive verbs to form the perfect tense): He is come. Agamemnon to the wars is gone.
Origin of be
before 900; Middle English been, Old English bēon (bēo- (akin to Old Frisian, Old High German bim, German bin, Old Saxon bium, biom (I) am, Old English, Old High German, Old Saxon būan, Old Norse būa reside, Latin fuī (I) have been, Greek phy- grow, become, Old Irish boí (he) was, Sanskrit bhávati (he) becomes, is, Lithuanian búti to be, OCS byti, Persian būd was)) + -n infinitive suffix. See am, is, are1, was, were
Can be confusedbe bee
Definition for am (5 of 9)
A and M
Agricultural and Mechanical (college): Texas A and M.
Definition for am (6 of 9)
Definition for am (7 of 9)
ampere per meter.
Definition for am (8 of 9)
the period from midnight to noon, especially the period of daylight prior to noon: Shall we meet Saturday a.m.?
a morning newspaper, sometimes issued shortly before midnight.
Origin of a.m.
From the Latin word ante merīdiem
The abbreviation a.m. for Latin ante meridiem, meaning “before noon,” refers to the period from midnight until noon. One minute before noon is 11:59 a.m. One minute after noon is 12:01 p.m. Many people distinguish between noon and midnight by saying 12 noon and 12 midnight. Expressions combining a.m. with morning ( 6 a.m. in the morning ) and p.m. with afternoon, evening, or night ( 9 p.m. at night ) are redundant and occur most often in casual speech and writing. Both a.m. and p.m. sometimes appear in capital letters, especially in printed matter.
Definition for am (9 of 9)
Master of Arts.
Origin of A.M.
From the Latin word Artium Magister
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for am (1 of 13)
verb (æm, unstressed əm)
(used with I) a form of the present tense (indicative mood) of be 1
Word Origin for am
Old English eam; related to Old Norse em, Gothic im, Old High German bim, Latin sum, Greek eimi, Sanskrit asmi
British Dictionary definitions for am (2 of 13)
British Dictionary definitions for am (3 of 13)
the internet domain name for
British Dictionary definitions for am (4 of 13)
the chemical symbol for
British Dictionary definitions for am (5 of 13)
Assembly Member (of the National Assembly of Wales)
US Master of Arts
Also: am amplitude modulation
Member of the Order of Australia
Armenia (international car registration)
British Dictionary definitions for am (6 of 13)
British Dictionary definitions for am (7 of 13)
abbreviation for (in Canada)
British Dictionary definitions for am (8 of 13)
the chemical symbol for
British Dictionary definitions for am (9 of 13)
bill of exchange
(in the US) Board of Education
Bachelor of Education
Bachelor of Engineering
British Dictionary definitions for am (10 of 13)
British Dictionary definitions for am (11 of 13)
A.M., am or AM
abbreviation for (indicating the time period from midnight to midday)
ante meridiemCompare p.m.
Word Origin for a.m.
Latin: before noon
British Dictionary definitions for am (12 of 13)
/ (biː, unstressed bɪ) /
verb present singular 1st person am; 2nd person are; 3rd person is; present plural are; past singular 1st person was; 2nd person were; 3rd person was; past plural were; present participle being or past participle been (intr)
to have presence in the realm of perceived reality; exist; liveI think, therefore I am; not all that is can be understood
(used in the perfect or past perfect tenses only) to pay a visit; gohave you been to Spain?
to take place; occurmy birthday was last Thursday
(copula) used as a linking verb between the subject of a sentence and its noun or adjective complement or complementing phrase. In this case be expresses the relationship of either essential or incidental equivalence or identity (John is a man; John is a musician) or specifies an essential or incidental attribute (honey is sweet; Susan is angry). It is also used with an adverbial complement to indicate a relationship of location in space or time (Bill is at the office; the dance is on Saturday)
(takes a present participle) forms the progressive present tensethe man is running
(takes a past participle) forms the passive voice of all transitive verbs and (archaically) certain intransitive onesa good film is being shown on television tonight; I am done
(takes an infinitive) expresses intention, expectation, supposition, or obligationthe president is to arrive at 9.30; you are not to leave before I say so
(takes a past participle) forms the perfect or past perfect tense of certain intransitive verbs of motion, such as go or comethe last train is gone
be that as it may the facts concerning (something) are of no importance
Word Origin for be
Old English bēon; related to Old High German bim am, Latin fui I have been, Greek phuein to bring forth, Sanskrit bhavati he is
British Dictionary definitions for am (13 of 13)
the internet domain name for
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
Medicine definitions for am (1 of 2)
The symbol for the elementamericium
Medicine definitions for am (2 of 2)
The symbol for the elementberyllium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for am (1 of 3)
The symbol for americium.
Science definitions for am (2 of 3)
Abbreviation of amplitude modulation
Science definitions for am (3 of 3)
The symbol for beryllium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Idioms and Phrases with am
In addition to the idioms beginning with be
- be a credit to
- be along
- be big on
- be bound to
- be busted
- bed and board
- bed and breakfast
- bed of roses
- be down
- bee in one's bonnet
- been around
- been had
- been there, done that
- been to the wars
- beginning of the end, the
- begin to see daylight
- begin to see the light
- begin with
- beg off
- beg the question
- beg to differ
- be had
- be in on
- be into
- bell the cat, who will
- be my guest
- bend one's elbow
- bend over backwards
- bend someone's ear
- be off
- be on
- be oneself
- be on to
- beside oneself
- beside the point
- be that as it may
- be the death of
- be the end of one
- be the making of
- let be
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.