brainiac
5 synonyms and 3 antonyms for brainiac, grouped by meaning and by how common each one is.
Noun — Informal: a very intelligent, studious person.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use brainiac
The word patterns that sound natural to a native speaker.
a total brainiac
class brainiac
Informal — fine in conversation, too casual for formal writing.
Etymology
A blend of brain and maniac, popularized by the name of a supervillain in the Superman comics from 1958.
Full origin of brainiac →Frequently asked questions
What does “brainiac” mean?
The word “brainiac” means informal: a very intelligent, studious person. In plain terms, a casual, often affectionate term for someone very smart or bookish.
How do you pronounce “brainiac”?
“Brainiac” is pronounced BRAY-nee-ak (/ˈbɹeɪniæk/ in IPA).
How do you use “brainiac” in a sentence?
Here is “brainiac” used in a sentence: “Her older brother was a total brainiac who finished school two years early.”
What part of speech is “brainiac”?
“Brainiac” is a noun.
Where does the word “brainiac” come from?
The word “brainiac” dates back to around 1958. A blend of brain and maniac, popularized by the name of a supervillain in the Superman comics from 1958.
