flexibility Antonyms

inflexibility severity wilfulness stubbornness awkwardness rigourousness astringence inclementness gracelessness viscidity ungainliness solidness steeliness stiffness strictness stringency stringiness toughness transverse gawkiness intractableness bullheadedness ham-handedness heavy-handedness klutziness lumberingness single-mindedness stiff neck bull-headedness pig-headedness gawkishness gaucheness obstinance pigheadedness intransigence intransigency burdensomeness relentlessness mulishness fundamentalism lack of coordination rigorism rigor hardness hoarseness huskiness impenitence impermeability implacability implacableness