Dictionary.com
Thesaurus.com

microcephaly

British  
/ ˌmaɪkrəʊˈsɛfəlɪ /

noun

  1. the condition of having an abnormally small head or cranial capacity Compare megacephaly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The research paper is titled 'Recessive TMEM167A variants cause neonatal diabetes, microcephaly and epilepsy syndrome', and it appears in The Journal of Clinical Investigation.

From Science Daily Jan. 14, 2026

Tamara had microcephaly - an abnormally small head - one of many conditions resulting from her mother being infected with the Zika virus while pregnant.

From BBC Aug. 3, 2025

Known as Oropouche virus, it can trigger a fever that may cause pregnant people to miscarry or their babies to have birth defects known as microcephaly, or smaller than usual heads.

From Salon Mar. 20, 2025

While related cases of microcephaly or Guillain-Barre syndrome have yet to be reported, infections were the highest they’ve been since 2021.

From Salon Feb. 3, 2025

Still, the horrifying stories about mothers trying to console their babies born with microcephaly and other tragic birth defects were heartbreaking.

From "Proud" by Ibtihaj Muhammad

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training