Definition of HH in English:

HH

Line breaks: HH

abbreviation

1British Her or His Highness.
1.1His Holiness.
1.2(Used in describing grades of pencil lead) extra hard.

Definition of HH in:

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Word of the day antebellum
Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…