Innumerable

Vine's Expository Dictionary of NT Words

1: Ἀναρίθμητος (Strong'S #382 — Adjective — anarithmetos — an-ar-ith'-may-tos )

a, negative, n, euphonic, arithmeo "to number," is used in  Hebrews 11:12 .

2: Μυριάς (Strong'S #3461 — Noun Feminine — murias — moo-ree'-as )

denotes either "ten thousand," or, "indefinitely, a myriad, a numberless host," in the plural,  Acts 19:19; lit. "five ten-thousands,"  Revelation 5:11;  9:16; in the following, used of vast numbers,  Luke 12:1 , AV, "an innumerable multitude," RV, "the many thousands" (RV marg., "the myriads");  Acts 21:20 , "thousands;"  Hebrews 12:22 , "innumerable hosts;"  Jude 1:14 , "ten thousands" (RV, marg., in each place, "myriads"). See Company , Thousands Cp. the adjective murios, "ten thousand,"  Matthew 18:24;  1—Corinthians 4:15;  14:19 .

King James Dictionary

INNU'MERABLE, a. L. innumerabilis. See Number.

1. Not to be counted that cannot be enumerated or numbered for multitude. 2. In a loose sense, very numerous.

Webster's Dictionary

(a.) Not capable of being counted, enumerated, or numbered, for multitude; countless; numberless; unnumbered, hence, indefinitely numerous; of great number.