Meaning & use
AMAB
Last updated
Meanings
abbreviationtechnical
Used to describe a person who was assigned male at birth, based on physical characteristics, regardless of their current gender identity.
Grammar: Used mainly as an adjective before a noun, or after the verb 'be', as in 'I am AMAB'.
Patterns
- be AMAB
- an AMAB person
- AMAB people
She is AMAB, but she has always known herself to be a woman.
The survey asked whether respondents were AMAB or AFAB.
Some AMAB people take hormones to align their bodies with their gender identity.
abbreviationtechnicalmedical
Used in medical and legal writing to record the sex a baby was said to be at birth, often for statistical or clinical purposes.
Grammar: Often appears in forms and charts as a category, e.g. 'Sex assigned at birth: AMAB'.
Patterns
- record someone as AMAB
- listed as AMAB
- AMAB category
The hospital form had a box for AMAB, AFAB, or intersex.
In the study, 40% of participants were AMAB.
The doctor noted that the patient was AMAB but had been living as a woman for years.
Common combinations
- AMAB person
- The group is open to AMAB people who are exploring their gender.
- assigned male at birth
- He was assigned male at birth, but now identifies as non-binary.
- AMAB and AFAB
- The form asked whether I was AMAB or AFAB.
- AMAB body
- Some medical texts still use the phrase 'AMAB body' when discussing anatomy.
Synonyms and how they differ
- male-assigned
- A less common adjective that means the same, but it is not an initialism and is used mostly in activist writing.
- birth-assigned male
- A descriptive phrase rather than a fixed term; it is clearer in everyday speech but longer.
Opposites
Word family
- AFAB abbreviation
- Assigned female at birth; the matching term for someone recorded as female at birth.
Commonly confused: AMAB or trans man?
AMAB vs trans man
A trans man is a man who was assigned female at birth. AMAB describes the birth assignment, not the current identity, so the two are not interchangeable.
Practice
Which sentence uses AMAB correctly?
Choose one answer.
AMAB means assigned male at birth, so it matches 'he was assigned male at birth'. Option B describes AFAB, and options C and D misunderstand the term: assignment happens at birth, not later or by choice.
Make it your own
Write a sentence using “AMAB”, then check it and compare it with the examples above.