A state of being unbecoming; unseemliness, inappropriateness.(noun)
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Use "unbecomingness" in a sentence
"If we sow indulgence we shall reap anger, selfishness, irritability, "unbecomingness" -- the spoiled child."
"Too stunned to resist, I allowed her to dress my hair, tying back the sidelocks with primrose ribbon, clucking over the unfeminine unbecomingness of my shoulder-length bob."
"Therefore that unbecomingness (and what that is may be understood from the definition we have given of what is becoming) is visible here also, when some sublime expression is used metaphorically, and is used in a lowly style of oration, though it might have been becoming in"