Antonym of FLEXIBLE

brittle
rigid
hard
solid

The correct answer is brittle.

  • Flexible means able to bend or be bent easily without breaking.
  • Brittle means easily broken or damaged.
  • Rigid means stiff and not easily bent or changed.
  • Hard means firm and not easily penetrated.
  • Solid means not liquid or gas.

In conclusion, the antonym of flexible is brittle.