I

¹ American  

abbreviation

1. interstate (used with a number to designate an interstate highway).

   I-95.

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I ² American  

Symbol.

1. the ninth in order or in a series.

2. (sometimes lowercase) the Roman numeral for 1.

3. Chemistry. iodine.

4. Biochemistry. isoleucine.

5. Electricity. current.

6. Logic. particular affirmative.

7. (italics) isotopic spin.

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i ³ American  

Mathematics.

1. Also called imaginary unit.  the imaginary number .

2. a unit vector on the x -axis of a coordinate system.

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i- ⁴ American  

1. variant of y-.

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I. ⁵ American  

abbreviation

1. Independent.

2. Island; Islands.

3. Isle; Isles.

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I ⁶ American  

[ahy] / aɪ /

pronoun

nominative

I,

possessive

my, mine,

objective

me,

plural nominative

we,

possessive

our, ours,

objective

us

1. the nominative singular pronoun, used in referring to oneself, the person speaking, writing, or otherwise communicating.

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noun

plural

I's

1. (used to denote the narrator of a literary work written in the first person singular.)

2. Metaphysics. the ego.

i. ⁷ American  

abbreviation

1. imperator.

2. incisor.

3. interest.

4. intransitive.

5. island.

6. isle; isles.

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-i- ⁸ American  

1. the typical ending of the first element of compounds of Latin words, as -o- is of Greek words, but often used in English with a first element of any origin, if the second element is of Latin origin.

   cuneiform; Frenchify.

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I ⁹ American  

[ahy] / aɪ /

Or i

noun

plural

I's, Is, i's, is

1. the ninth letter of the English alphabet, a vowel.

2. any spoken sound represented by the letter I or i, as in big, nice, or ski.

3. something having the shape of an I.

4. a written or printed representation of the letter I or i.

5. a device, as a printer's type, for reproducing the letter I or i.

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I ¹ British  

/ aɪ /

pronoun

1. (subjective) refers to the speaker or writer

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I ² British  

symbol

1. chem iodine

2. physics current

3. physics isospin

4. logic a particular affirmative categorial statement, such as some men are married, often symbolized as SiP Compare A E O 1

5. one See Roman numerals

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abbreviation

1. Italy (international car registration)

I. ³ British  

abbreviation

1. International

2. Island or Isle

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-i- ⁴ British  

1. used between elements in a compound word Compare -o-

   cuneiform

   coniferous

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i ⁵ British  

/ aɪ /

noun

1. the ninth letter and third vowel of the modern English alphabet

2. any of several speech sounds represented by this letter, in English as in bite or hit

3. 1. something shaped like an I

   2. ( in combination )

      an I-beam

4. to pay meticulous attention to detail

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-i ⁶ British  

suffix

1. of or relating to a region or people, esp of the Middle East

   Iraqi

   Bangladeshi

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i ⁷ British  

symbol

1. Also called: j.  the imaginary number √–1

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i Scientific  

/ ī /

1. The number whose square is equal to −1. Numbers expressed in terms of i are called imaginary or complex numbers.

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i Idioms  

1. see dot the i's and cross the t's.

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Grammar

See me.

Etymology

Origin of I

First recorded before 900; Middle English ik, ich, i, Old English ic, ih; cognate with Gothic ik, German ich, Old Norse ek, Latin ego, Greek egṓ, Old Church Slavonic azŭ, Lithuanian aš, Sanskrit ahám

Example Sentences

“That’s we acted last week to raise the official cash rate by 25 basis points, and why I wanted to say we will continue to do to do whatever is necessary to ensure that inflation does return to the target band,” he told a business luncheon.

From The Wall Street Journal

“I don’t think anyone thought that we would be sitting here in 2026 with the global economy powering ahead,” he said.

From The Wall Street Journal

With the two-year anniversary of my father’s death approaching, I didn’t expect to be thinking about his tax refund.

From The Wall Street Journal

But as the executor of Dad’s estate, I’ve spent a surprising amount of time trying to track down his refund for 2023.

From The Wall Street Journal

What I’ve learned through the process: Such delays are common for people sorting the estates of loved ones, but there are ways others can avoid the saga I’ve been going through.

From The Wall Street Journal

Related Words

• he
• it
• she
• sie
• they
• ve
• xe
• you
• ze
• zie