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adderbolt

A dialectal British term, now largely obsolete except in some regional speech, for a dragonfly.

ˈædɚˌboʊltSilenthistorical120 viewsLast reviewed Jun 29, 2026+ Add a definition
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UK
#1·Apr 28, 2026UK

A dialectal British term, now largely obsolete except in some regional speech, for a dragonfly. The name reflects old folk beliefs and rural superstition — 'adder' (a venomous snake) combined with 'bolt' (a dart or projectile), possibly suggesting the dragonfly was thought to be associated with snakes or to move like a bolt. Mainly of interest to linguists, folklore researchers, and enthusiasts of English dialect words. Rarely encountered in modern speech.

The old farmer called it an adderbolt and warned the children to stay away, convinced it could sting like a snake.
Origin: Compound of 'adder' (the common viper, from Old English 'næddre') and 'bolt' (a dart or missile); likely rooted in folk belief associating dragonflies with snakes, common in English rural superstition. Editorial expansion authored on Slangora (model-assisted, hedged).
Cluster: hedging
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UK
#2·Apr 27, 2026UK

(now, UK, _, dialectal) A dragonfly.

For parents

"adderbolt" is a regional or dialect word meaning a dragonfly. It is most likely picked up from family, a particular part of the country, or a piece of regional media. There is nothing to worry about: dialect vocabulary is a sign of place and heritage, not of any risky behaviour. If anything, it is a nice opportunity to talk about where the word comes from and which side of the family or which place uses it.

For ESL learners

"adderbolt" is regional / dialectal English meaning a dragonfly. It is mainly heard in British English (and Irish English). A more formal or neutral equivalent would be something like "a dragonfly" expressed in standard vocabulary. A common mistake is to use "adderbolt" outside its region; speakers from elsewhere may not understand it or may find it self-consciously local. If you are a B2 or C1 learner, it is useful to recognise this word when you hear or read it, but think carefully about whether the situation really calls for it before using it yourself.

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