: not flexible: such as
a
: not easily influenced or persuaded
an inflexible judge
b
: not easily bent or twisted
inflexible [=stiff] plastic
c
: not easily changed
inflexible laws/rules
an inflexible deadline/schedule
Cite this Entry
“Inflexible.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/inflexible. Accessed 13 Apr. 2026.
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