i

¹i

noun, often capitalized often attributive \ˈī\

plural i's or is \ˈīz\

Definition of I

1

a : the 9th letter of the English alphabet

b : a graphic representation of this letter

c : a speech counterpart of orthographic i

2

: one — see number table

3

: a graphic device for reproducing the letter i

4

: one designated i especially as the ninth in order or class

5

: something shaped like the letter I

6

: a unit vector parallel to the x-axis

7

[abbreviation for incomplete]

a : a grade rating a student's work as incomplete

b : one graded or rated with an I

8

: I formation

Examples of I

1. The word “ice” begins with an i.
2. The word “ice” begins with i.

First Known Use of I

before 12th century

Rhymes with I

ay, aye, bi, Bligh, buy, by, bye, chai, chi, cry, die, dry, dye, eye, fie, fly, fry, guy, hie, high, Huai, I, lie, lye, my, nigh, phi, pi, pie, ply, pry, psi, rye, scythe, shy, sigh, sky, Skye, sly, spry, spy, sty, Tai, Thai, thigh, thy, tie, try, vie, why, wry, wye, xi, Y

²i

abbreviation

Definition of I

1

industrial

2

initial

3

intelligence

4

intensity

5

interlaced

6

intransitive

7

island; isle

³i

symbol

Definition of I

imaginary unit

¹I

pronoun \ˈī, ə\

Definition of I

: the one who is speaking or writing <I feel fine> — compare me, mine, my, we

See Usage Discussion at me

Origin of I

Middle English, from Old English ic; akin to Old High German ih I, Latin ego, Greek egō

First Known Use: before 12th century

Other Alphabet Terms

cuneiform, linear, minuscule, pictograph, rune, symbology, wedge

Rhymes with I

ay, aye, bi, Bligh, buy, by, bye, chai, chi, cry, die, dry, dye, eye, fie, fly, fry, guy, hie, high, Huai, i, lie, lye, my, nigh, phi, pi, pie, ply, pry, psi, rye, scythe, shy, sigh, sky, Skye, sly, spry, spy, sty, Tai, Thai, thigh, thy, tie, try, vie, why, wry, wye, xi, Y

²I

noun \ˈī\

plural I's or Is \ˈīz\

Definition of I

: someone aware of possessing a personal individuality : self

First Known Use of I

1539

³I

abbreviation

Definition of I

1

electric current

2

Indian

3

interstate

4

Israeli

⁴I

symbol

Definition of I

iodine

i

abbreviation    (Medical Dictionary)

Medical Definition of I

1

incisor

2

optically inactive