adj
abnormal
ab-NAW-muhl
adj
1
Different from what is usual, expected, or average; not normal.
"The blood test showed abnormal levels of iron."
"It's abnormal for a toddler to speak in full sentences this early."
How to Use Abnormal
Learner’s notesIn plain EnglishNot typical — outside the usual range, often in a medical or statistical sense.
Common pairings
abnormal behavior
abnormal levels
abnormally high/low
Word Forms
more abnormal comparative, abnormals plural, most abnormal superlative
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “abnormal”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The blood test showed _____ levels of iron.
Etymology
From ab- ("away from") + normal, itself from Latin norma ("rule, pattern").