Flimsiness
/ˈflɪmzinəs/
Definition 1 of 2
Pro Tip 1/3Physical Weakness
Used to describe objects that aren't strong or durable. Think of things that break easily. 
The flimsiness of the cardboard boxes made them unsuitable for shipping heavy items.
Pro Tip 2/3Metaphorical Use
Can refer to abstract things, like plans or ideas, that lack substance or strength. 
His plan failed due to the flimsiness of the underlying concept.
Pro Tip 3/3Not Reliable
Suggests that something cannot be trusted to work or last because it's poorly made. 
They couldn't risk using the flimsy rope to pull up the heavy load.
Compare with
BrittleDelicacyFaintnessFragilityFrailtyLightThinWeak
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