1. not any particular or certain one of a class or group: a man; a chemical; a house.
2. a certain; a particular: one at a time; two of a kind; A Miss Johnson called.
3. another; one typically resembling: a Cicero in eloquence; a Jonah.
4. one (used before plural nouns that are preceded by a quantifier singular in form): a hundred men (compare hundreds of men); a dozen times (compare dozens of times).
5. indefinitely or nonspecifically (used with adjectives expressing number): a great many years; a few stars.
6. one (used before a noun expressing quantity): a yard of ribbon; a score of times.
7. any; a single: not a one.

1. each; every; per: ten cents a sheet; three times a day.

1. a reduced, unstressed form of of (often written as part of a single, unhyphenated word): cloth a gold; time a day; kinda; sorta.

1. a reduced, unstressed form of auxiliary have following some modals, as might, should, could, would, and must (usually written as part of a single, unhyphenated word): We shoulda gone.

1. he¹.
2. she.
3. it¹.
4. they.
5. I².

1. are; ares.

1. all: for a' that.

1. the first letter of the English alphabet, a vowel.
2. any spoken sound represented by the letter A or a, as in bake, hat, father, or small.
3. something having the shape of an A.
4. a written or printed representation of the letter A or a.
5. a device, as a printer's type, for reproducing the letter A or a.

6. from beginning to end; thoroughly; completely: He knows the Bible from A to Z.
7. to know nothing; be ignorant.

1. ampere; amperes.
2. angstrom; angstroms.
3. answer.
4. arterial (used with a road number to designate a major highway): Take the A525 to Ruthin.

1. the first in order or in a series.
2. Sometimes a .
• (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as excellent or superior.
• (in some school systems) a symbol designating the first semester of a school year.
3. Music.
• the sixth tone in the scale of C major or the first tone in the relative minor scale, A minor.
• a string, key, or pipe tuned to this tone.
• a written or printed note representing this tone.
• (in the fixed system of solmization) the sixth tone of the scale of C major, called la.
• the tonality having A as the tonic note.
4. a major blood group, usually enabling a person whose blood is of this type to donate blood to persons of group A or AB and to receive blood from persons of O or A.
5. the medieval Roman numeral for 50 or 500.
6. (formerly) argon.
7. mass number.
8. Biochemistry.
• adenine.
• alanine
9. universal affirmative.
10. a designation for a motion picture recommended as suitable for adults.
11. a proportional shoe width size, narrower than B and wider than AA.
12. a proportional brassiere cup size, smaller than B and larger than AA.
13. a quality rating for a corporate or municipal bond, lower than AA and higher than BBB.

1. a reduced form of the Old English preposition on, meaning “on,” “in,” “into,” “to,” “toward,” preserved before a noun in a prepositional phrase, forming a predicate adjective or an adverbial element (afoot; abed; ashore; aside; away), or before an adjective (afar; aloud; alow), as a moribund prefix with a verb (acknowledge), and in archaic and dialectal use before a present participle in -ing (set the bells aringing); and added to a verb stem with the force of a present participle (ablaze; agape; aglow; astride; and originally, awry).

1. a reduced form of the Old English preposition of: akin; afresh; anew.

1. an old point-action prefix, not referring to an act as a whole, but only to the beginning or end: She arose (rose up). They abided by their beliefs (remained faithful to the end).

1. variant of ab- before p and v: aperient; avert.

1. variant of ad-, used: (1) before sc, sp, st (ascend) and (2) in words of French derivation (often with the sense of increase, addition): amass.

1. variant of an-¹ before a consonant, meaning “not,” “without”: amoral; atonal; achromatic.

1. atomic (used in combination): A-bomb; A-plant.

1. a plural ending of nouns borrowed from Greek and Latin: phenomena; criteria; data; errata; genera.

1. a feminine singular ending of nouns borrowed from Latin and Greek, also used in New Latin coinages to Latinize bases of any origin, and as a Latin substitute for the feminine ending -ē of Greek words: anabaena;cinchona;pachysandra.

1. an ending of personal names forming feminines from masculines: Georgia; Roberta.

1. a suffix designating the oxide of the chemical element denoted by the stem: alumina; ceria; thoria.

1. angstrom.

1. year.

1. before.

1. about.
2. acre; acres.
3. active.
4. adjective.
5. alto.
6. ampere; amperes.
7. anonymous.
8. answer.
9. are; ares.
10. assist; assists.

1. year.

1. before.

1. Absolute.
2. Academy.
3. acre; acres.
4. America.
5. American.
6. angstrom.
7. answer.
8. April.
9. Artillery.

1. used preceding a singular countable noun, if the noun is not previously specified or known
2. used preceding a proper noun to indicate that a person or thing has some of the qualities of the one named
3. used preceding a noun or determiner of quantity
4. used preceding a noun indicating a concrete or abstract thing capable of being divided
5. each or every; per
6. a certain; one
7. any at all

1. an informal or dialect word for have they'd a said if they'd known

1. (usually linked to the preceding noun) an informal form of of sorta sad; a kinda waste

1. acceleration
2. are(s) (metric measure of land)
3. atto-
4. chess See algebraic notation

1. the first letter and first vowel of the modern English alphabet
2. any of several speech sounds represented by this letter, in English as in take, bag, calm, shortage, or cobra
3. the first in a series, esp the highest grade or mark, as in an examination
4. from start to finish, thoroughly and in detail

1. Scot variants of all

1. music
• a note having a frequency of 440 hertz (A above middle C) or this value multiplied or divided by any power of 2; the sixth note of the scale of C major
• a key, string, or pipe producing this note
• the major or minor key having this note as its tonic
2. a human blood type of the ABO group, containing the A antigen
3. (in Britain) a major arterial road
4. (formerly, in Britain)
• a film certified for viewing by anyone, but which contains material that some parents may not wish their children to see
• (as modifier)
5. mass number
6. the number 10 in hexadecimal notation
7. ace
8. argon (now superseded by Ar)
9. ampere(s)
10. ampere-turn
11. absolute (temperature)
12. (in circuit diagrams) ammeter
13. area
14. atomic
15. affinity
16. adenine
17. a universal affirmative categorical proposition, such as all men are mortal: often symbolized as SaP
• a person whose job is in top management, or who holds a senior administrative or professional position
• (as modifier)

19. Austria (international car registration)

1. not; without; opposite to

1. on; in; towards
2. in the act or process of
3. in the condition or state of

1. angstrom unit

1. acre(s) or acreage
2. America(n)
3. answer

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