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Definition of strep
strep
/strɛp/
strep
Plural:streps
•Adjective:streptococcal
strep Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
1
strep Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
An acute bacterial infection of the throat and tonsils caused by group A streptococcal bacteria, characterized by a severe sore throat, fever, and swollen lymph nodes; strep throat.
Example
"The pediatrician swabbed the child's tonsils to test for strep before prescribing antibiotics."
2
Informal shortening of streptococcus, a genus of spherical, Gram-positive bacteria belonging to the family Streptococcaceae that typically grow in chains and include several species pathogenic to humans and animals.
Synonyms
View all synonyms for strep• Rhymes for strep
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Word Origin & Etymology
Coined in the early 20th century as an informal clipping of 'streptococcus', which derives from Ancient Greek 'streptos' (twisted) and 'kokkos' (berry or grain), referring to the chain-like formations of the spherical bacteria.
Cite this Entry
Wordmom. (2026). Definition of Strep. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/strep