adjective
1.
being great beyond calculation
incalculable damage
Synonyms: immeasurable, inestimable, measureless, uncountable, unmeasurable, unmeasured, unreckonable
Related Word: countless, innumerable, unnumbered, untold; boundless, enormous, infinite, limitless, vast
Contrasted words: minimal, slight, trivial
Antonyms: infinitesimal
2.
Synonyms: uncertain 1, capricious, chancy, dicey, erratic, fluctuant, iffy, unpredictable, whimsical
Antonyms: calculable