Words to Describe miscalculations

How miscalculations often is described ("________ miscalculations")

• such
• tremendous
• rare
• terrible
• biggest
• vast
• inevitable
• worst
• certain
• similar
• colossal
• obvious
• grievous
• many
• apparent
• several
• egregious
• political
• crucial
• mathematical
• catastrophic
• financial
• tactical
• gravest
• huge
• soviet
• massive
• few
• minor
• fateful
• grossest
• serious
• gross
• himalayan
• grave
• costly
• initial
• blessed
• disastrous
• own
• grand
• expensive
• critical
• grotesque
• past
• frequent
• ghastly
• unfortunate
• occasional
• dangerous
• slight
• strategic
• diplomatic
• monumental
• greatest
• military
• economic
• spectacular
• fatal
• possible
• fundamental
• profound
• tragic
• major
• enormous
• foolish
• earlier
• technical