/ ˌɪnhɪˈbɪʃn; NAmE ; ˌɪnɪˈb-/ noun
1.
[ C , U ] a shy or nervous feeling that stops you from expressing your real thoughts or feelings :
The children were shy at first, but soon lost their inhibitions.
She had no inhibitions about making her opinions known.
2.
[ U ] ( formal ) the act of restricting or preventing a process or an action :
the inhibition of growth
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WORD ORIGIN
late Middle English (in the sense forbidding, a prohibition ): from Latin inhibitio(n-) , from the verb inhibere hinder, from in- in + habere hold.