Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun i

3 senses of i

Sense 1
iodine, iodin, I, atomic number 53 -- (a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks))
       => chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
       => halogen -- (any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions)

Sense 2
one, 1, I, ace, single, unity -- (the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one")
       => digit, figure -- (one of the elements that collectively form a system of numeration; "0 and 1 are digits")

Sense 3
I, i -- (the 9th letter of the Roman alphabet)
       => letter, letter of the alphabet, alphabetic character -- (the conventional characters of the alphabet used to represent speech; "his grandmother taught him his letters")

Antonyms of adj i

1 sense of i

Sense 1
one, 1, i, ane -- (used of a single unit or thing; not two or more; "`ane' is Scottish")

INDIRECT (VIA cardinal) -> ordinal -- (being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh")

Similarity of adj i

1 sense of i

Sense 1
one, 1, i, ane -- (used of a single unit or thing; not two or more; "`ane' is Scottish")
       => cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")