not half

idiom

Definition of not half

1 : not nearly He's not half the fool you think he is. an aging baseball player who is not half the hitter he once was
2 British, informal used to emphasize a statement or descriptionShe doesn't half swear! So vulgar I hate to listen to her.It's not half cold today so bundle up!

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“Not half.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/not%20half. Accessed 21 Oct. 2020.

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