English bitter is the beer style most likely to disappoint someone expecting an actually bitter beer. It is a genuinely mild, session-strength pale ale, and the name is one of British brewing’s better historical jokes once you understand where it actually came from.
What an English Bitter Actually Is
Despite the name, bitter is, at its core, simply a type of pale ale, and not an overwhelmingly bitter one by modern IPA standards. Bitters are defined more by being genuine session beers, lower in alcohol and built for drinking multiple pints over an evening at the pub, than by any extreme hop character. The style covers a genuinely wide range of colors, strengths and flavors despite the single umbrella name, closer to a loose family of related beers than one tightly defined recipe.
Where the Name Actually Comes From
The term “bitter” as applied to beer seems to have emerged in the late 19th century as a way for drinkers to distinguish this lighter, drier pale ale style from the often sweeter beers being sold alongside it at the time, not because it was aggressively hoppy by any modern definition. A famous 1855 parody of a politician’s memoirs even referenced Queen Victoria serving “a foaming jug of bitter,” showing the term was already common shorthand well over a century and a half ago.
Built on the foundations of IPA and an earlier beer called October beer, bitter became the everyday pub staple across Britain through the 20th century, helped along by British beer tax structure, which is calculated on original gravity at the brewery. Lower-gravity beers were historically cheaper to sell, which incentivized British brewers toward exactly the kind of moderate-strength, everyday-drinking beer that bitter became known for.
Ordinary, Best and Extra Special Bitter
Bitter is actually split into three commonly recognized strength tiers rather than one single style: Ordinary Bitter is the lowest-gravity, most sessionable version, typically what pub-goers just call “bitter” without any modifier. Best Bitter sits a notch stronger and slightly more flavorful, and Extra Special Bitter, often abbreviated ESB, is the strongest and most robust version of the family, still moderate by modern craft beer standards but noticeably fuller than an Ordinary Bitter.
Okell’s Bitter, brewed on the Isle of Man, is a good example of the style’s continued regional presence in the UK today, our full Okell’s Bitter review covers that specific beer in more depth. Our Best English Beers roundup places bitter alongside other English styles, from milds to imperial stouts, if you want the full national picture.
For the wider pale ale family that bitter sits within, our IPA vs Pale Ale comparison and Types of Ale style guide both help place bitter’s genuinely mild character in context against its more aggressively hopped American cousins.
Roughly 85 percent of British beer has historically been sold through pubs rather than off-license retail, which shaped bitter’s development as much as any brewing decision, a beer meant to be consumed several pints at a time over a long pub session needed to stay genuinely light and sessionable rather than intensely flavored or high in alcohol.
Our Olde English 800 review covers a completely different, much stronger and sweeter American malt liquor that shares only a name resemblance with true English bitter, worth reading just to see how differently “English” gets used as a beer marketing term. Our Best Irish Beers roundup is a useful comparison point too for the closely related British Isles session beer tradition.
FAQs
Why is bitter called bitter if it isn’t very bitter?
The name emerged in the 19th century to distinguish this drier pale ale style from sweeter beers sold alongside it at the time, not because of extreme hop bitterness by modern standards. Compared to today’s IPAs, most bitters taste genuinely mild.
What is the difference between Ordinary, Best and Extra Special Bitter?
They represent increasing strength tiers within the same family, Ordinary Bitter is the lowest gravity and most sessionable, Best Bitter is a step up, and Extra Special Bitter (ESB) is the strongest and fullest-flavored version, though still moderate compared to most modern craft styles.
Is bitter the same as a British pale ale?
Bitter is essentially a specific, session-strength branch of the British pale ale family, the terms overlap significantly and are often used interchangeably in casual conversation.
