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

3 senses of x

Sense 1
ten, 10, X, tenner, decade -- (the cardinal number that is the sum of nine and one; the base of the decimal system)
       => large integer -- (an integer equal to or greater than ten)

Sense 2
X, x, ex -- (the 24th 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")

Sense 3
Adam, ecstasy, XTC, go, disco biscuit, cristal, X, hug drug -- (street names for methylenedioxymethamphetamine)
       => methylenedioxymethamphetamine, MDMA -- (a stimulant drug that is chemically related to mescaline and amphetamine and is used illicitly for its euphoric and hallucinogenic effects; it was formerly used in psychotherapy but in 1985 it was declared illegal in the United States; "MDMA is often used at parties because it enables partygoers to remain active for long periods of time")

Antonyms of adj x

1 sense of x

Sense 1
ten, 10, x -- (being one more than nine)

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

Similarity of adj x

1 sense of x

Sense 1
ten, 10, x -- (being one more than nine)
       => cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")