Inflexible

Inflexible may refer to:

• Stiffness, the rigidity of an object, the extent to which it resists deformation in response to an applied force
• Beardmore Inflexible, a British three-engined all-metal prototype bomber aircraft of the 1920s
• HMS Inflexible, one of several Royal Navy ships of this name
• Inflexible-class ship of the line built for the Royal Navy in the late 16th century
• French submarine Inflexible (S615), a French nuclear submarine
• LMS Jubilee Class 5727 Inflexible, a steam locomotive constructed in 1936.
• ST Inflexible, a French tugboat

• Flexibility (disambiguation)