Standard Lemma guide

HH

adj · intj · name · noun · phrase · pron · symbol · 14 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

adj

Meaning 1

Initialism of heavily hinged.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism, not-comparable

Topics: hobbies, lifestyle, philately

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

intj

Meaning 2

Synonym of hhh (“a sigh; laughter”).

Definition source: English Wiktionary via Wiktextract

Usage: Internet, uncommon

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hhh

Antonyms: none provided

3

name

Meaning 3

Initialism of Hansestadt Hamburg, the German city of Hamburg; used on licence plates and informally in other contexts.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Examples

  • Let's meet in HH tomorrow.

Meaning relationships

Synonyms: HB

Antonyms: none provided

4

name

Meaning 4

A protein expressed in the larva of the fruit fly Drosophila melanogaster, required for the proper development of the larval body.

The gene coding for the Hh (Hedgehog) protein.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

A protein expressed in the larva of the fruit fly Drosophila melanogaster, required for the proper development of the larval body.

The signaling pathway involving the Hh (Hedgehog) protein, and its homologues in other animals.

Definition source: English Wiktionary via Wiktextract

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

name

Meaning 6

A blood group system involving the presence of either the H or the h antigen on the surface of a person's red blood cells.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

noun

Meaning 7

Initialism of heavy helicopter.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

Topics: aeronautics, aerospace, aviation, business, engineering, government, military, natural-sciences, physical-sciences, politics, war

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

Initialism of household.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

Abbreviation of hands (one hand being four inches).

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, plural, plural-only

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

phrase

Meaning 10

Initialism of Heil Hitler.

Definition source: English Wiktionary via Wiktextract

Usage: Nazism, abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

pron

Meaning 11

Initialism of Her Highness.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

pron

Meaning 12

Initialism of His Highness.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

pron

Meaning 13

Initialism of His Holiness.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

14

symbol

Meaning 14

Used to indicate one's support for Nazism.

Definition source: English Wiktionary via Wiktextract

Usage: Nazism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Initialism of Hedgehog; the gene and the signaling pathway are named after the protein.

From the two antigenic variants involved in the blood group system (the H and h antigens).