Hb
adj, name, noun, phrase, verb, slang
adj, name, noun, phrase, verb, slang ·Moderate ·High school level
Definitions
Noun
- 1 Initialism of horizontal branch. abbreviation, alt-of, initialism
- 2 a hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues wordnet
- 3 Initialism of hot babe, someone pickup artists try to seduce. (Usually followed by a number in the 1-10 scale of physical beauty, e.g. HB10.) abbreviation, alt-of, initialism, slang
- 4 Initialism of home birth. abbreviation, alt-of, initialism
- 5 Initialism of house bill (“a bill proposed in or passed by a legislative house”) (Compare SB.) abbreviation, alt-of, initialism, often
"HB2"
Show 4 more definitions
- 6 Initialism of halfback. abbreviation, alt-of, initialism
- 7 Initialism of horizontal bar. abbreviation, alt-of, initialism
- 8 Initialism of high bar. abbreviation, alt-of, initialism
- 9 Clipping of HB pencil abbreviation, alt-of, clipping
Verb
- 1 Initialism of hard-block. Internet, abbreviation, alt-of, initialism, transitive
"i have a handful of moots that if they sb'd or hb'd me id genuinely be upset this app has ruined me huh"
- 2 Alternative letter-case form of HB (“hard-block”) alt-of
Adjective
- 1 Initialism of hard black (describing a pencil that makes lighter marks than a grade B, but darker marks than a grade H pencil). abbreviation, alt-of, initialism, not-comparable
"Suresh [...] takes his HB pencil and ruler out of their metal tin."
Phrase
- 1 Abbreviation of happy birthday. Internet, abbreviation, alt-of
Proper Noun
- 1 Initialism of Hansestadt Bremen, the German city of Bremen; used on licence plates and informally in other contexts. abbreviation, alt-of, initialism
"Let's meet in HB tomorrow."
Example
More examples"Blacken the circles next to the correct answers with an HB pencil."
Related phrases
More for "hb"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.