sound - reliable, sensible when making decisions, undamaged, good and thorough, in good condition⏎
special - unusual, chosen, out of the ordinary⏎
ruin - damage, spoil, make someone lose all their money⏎
upsurge - sudden large increase⏎
surplus - glut, superfluity, extra, more than is needed⏎
slump - decline, decrease, deteriorate, sudden fall⏎
variable - changeable, non-uniform⏎
top flight - best, most successful, highest⏎
saturate - drench, overproduce, over supply⏎
undisclosed - concealed, hidden, not made known⏎