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Showing 1-50 of 242 results

i US English

The imaginary quantity equal to the square root of minus one

I1 US English

The ninth letter of the alphabet

I2 US English

Used by a speaker to refer to himself or herself

I3 US English


-i1 US English

Forming the plural:

-i2 US English

Forming adjectives from names of countries or regions in the Near or Middle East

-i- US English

A connecting vowel chiefly forming words ending in -ana, -ferous, -fic, -form, -fy, -gerous, -vorous

i in I1 US English

The ninth letter of the alphabet

iodine US English

The chemical element of atomic number 53, a nonmetallic element forming black crystals and a violet vapor

I in iodine US English

The chemical element of atomic number 53, a nonmetallic element forming black crystals and a violet vapor

one US English

The lowest cardinal number; half of two; 1

I. in I3 US English

Island(s) or Isle(s) (chiefly on maps)

i/c US English

(Especially in military contexts) in charge of

I'd US English

I would or I should

I'm US English

I am

I/O US English


I. in fleur-de-lis US English

A European iris

CD-I US English

Compact disc (interactive)

I'll US English

I shall; I will

I'ma US English

I’m going to

I've US English

I have

I spy US English

A children’s game in which one player specifies the first letter of an object they can see, the other players then having to guess the identity of this object

Zog I US English

(1895–1961), Albanian statesman and ruler; prime minister 1922–24; president 1925–28; king 1928–39; full name Ahmed Bey Zogu. His autocratic rule resulted in relative political stability; he went into exile when the country was invaded by Italy in 1939

Baha'i US English

A monotheistic religion founded in the 19th century as a development of Babism, emphasizing the essential oneness of humankind and of all religions and seeking world peace. The Baha’i faith was founded by the Persian Baha’ullah (1817–92) and his son Abdul Baha (1844–1921)

HTLV-I US English

T-cell lymphotrophic virus type I

I-beam US English

A girder that has the shape of an I when viewed in section

I-chun US English

Variant of Yichun.

i-mode US English

A proprietary technology that allows data to be transferred to and from Internet sites via cellular phones

I-Thou US English

(Of a personal relationship, especially one with God) formed by personal encounter

I know US English

I agree

I mean US English

Used to clarify or correct a statement or to introduce a justification or explanation

Omar I US English

(Circa 581–644), Muslim caliph 634–44. He conquered Syria, Palestine, and Egypt

Otto I US English

(912–73), king of the Germans 936–973, Holy Roman Emperor 962–973; known as Otto the Great. As king of the Germans he carried out a policy of eastward expansion, and as Holy Roman Emperor he established a presence in Italy to rival that of the papacy

I say! US English

Used to express surprise or to draw attention to a remark

I Ching US English

An ancient Chinese manual of divination based on eight symbolic trigrams and sixty-four hexagrams, interpreted in terms of the principles of yin and yang. It was included as one of the “five classics” of Confucianism

Louis I US English

(1326–82), king of Hungary 1342–82 and of Poland 1370–82; known as Louis the Great. Under his rule, Hungary became a powerful state; he fought two successful wars against Venice (1357–58; 1378–81), and the rulers of Serbia, Wallachia, Moldavia, and Bulgaria became his vassals

Osman I US English

(1259–1326), Turkish conqueror. He founded the Ottoman (Osmanli) dynasty and empire and assumed the title of emir in 1299

Peter I US English

(1672–1725), tsar of Russia 1682–1725; known as Peter the Great. Peter modernized his armed forces and expanded his territory in the Baltic. His extensive administrative reforms were instrumental in transforming Russia into a significant European power. In 1703, he made the new city of St. Petersburg his capital

Savai'i US English

A mountainous volcanic island in the southwestern Pacific, the largest of the Samoan islands

Sweyn I US English

(Died 1014), king of Denmark circa 985–1014; known as Sweyn Forkbeard. From 1003, he launched a series of attacks on England, finally causing Ethelred the Unready to flee to Normandy at the end of 1013. Sweyn then became king of England but died five weeks later

Darius I US English

(Circa 550–486 bc), king of Persia 521–486 bc; known as Darius the Great. After a revolt by the Greek cities in Ionia (499–494 bc), he invaded Greece but was defeated at Marathon (490 bc)

Duncan I US English

(Circa 1010–40), king of Scotland 1034–40. He was killed in battle by Macbeth

Francis I US English

(1494–1547), king of France 1515–47. Much of his reign 1521–44 was spent at war with Charles V of Spain. A supporter of the arts, he commissioned the building of the Louvre

Kenneth I US English

(D.858), king of Scotland circa 844–858; known as Kenneth MacAlpin. He is traditionally viewed as the founder of the kingdom of Scotland, which was established following his defeat of the Picts in about 844

Leopold I US English

(1790–1865), first king of Belgium 1831–65. The fourth son of the Duke of Saxe-Coburg-Saalfield, he was an uncle of Britain’s Queen Victoria

I promise US English

Used for emphasis, especially so as to reassure, encourage, or threaten someone

Wilhelm I US English

(1797–1888), king of Prussia 1861–88 and emperor of Germany 1871–88. He became the first emperor of Germany after Prussia’s victory against France in 1871. The latter part of his reign was marked by the rise of German socialism, to which he responded with harsh, repressive measures

William I1 US English

(1143–1214), grandson of David I; king of Scotland 1165–1214; known as William the Lion

William I2 US English

(1533–84), prince of the House of Orange; first stadtholder (chief magistrate) of the United Provinces of the Netherlands 1572–84; known as William the Silent

Xerxes I US English

(Circa 519–465 bc), son of Darius I; king of Persia 486–465. He continued his father’s attack on the Greeks but was forced to withdraw after defeats at Salamis in 480 and Plataea in 479

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