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

3 senses of billion

Sense 1
billion, one million million, 1000000000000 -- (the number that is represented as a one followed by 12 zeros; in the United Kingdom the usage followed in the United States is frequently seen)
       => large integer -- (an integer equal to or greater than ten)

Sense 2
million, billion, trillion, zillion, jillion, gazillion -- (a very large indefinite number (usually hyperbole); "there were millions of flies")
       => large indefinite quantity, large indefinite amount -- (an indefinite quantity that is above the average in size or magnitude)

Sense 3
billion, one thousand million, 1000000000 -- (the number that is represented as a one followed by 9 zeros)
       => large integer -- (an integer equal to or greater than ten)

Antonyms of adj billion

2 senses of billion

Sense 1
billion -- (denoting a quantity consisting of one thousand million items or units in the United States)

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

Sense 2
billion -- (denoting a quantity consisting of one million million items or units in Great Britain)

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

Similarity of adj billion

2 senses of billion

Sense 1
billion -- (denoting a quantity consisting of one thousand million items or units in the United States)
       => cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")

Sense 2
billion -- (denoting a quantity consisting of one million million items or units in Great Britain)
       => cardinal (vs. ordinal) -- (being or denoting a numerical quantity but not order; "cardinal numbers")