1. (noun) the cardinal number that is the product of ten and one thousand

• 10000
• ten thousand

2. (adjective) too numerous to be counted

• countless
• infinite
• innumerable
• innumerous
• multitudinous
• numberless
• uncounted
• unnumberable
• unnumbered
• unnumerable

1. (adjective) too numerous to be counted

• incalculable

1. (noun) a large indefinite number

• large indefinite amount
• large indefinite quantity

2. (noun) the cardinal number that is the product of ten and one thousand

• large integer

1. (noun) a large indefinite number

• countless
• infinite
• innumerable
• innumerous
• multitudinous
• numberless
• uncounted
• unnumberable
• unnumbered
• unnumerable

2. (adjective) too numerous to be counted

• battalion
• large number
• multitude
• pack
• plurality
• boundlessness
• infiniteness
• infinitude
• limitlessness
• unboundedness
• countlessness
• countlessness
• innumerableness
• innumerableness
• multitudinousness