blood relation: meaning, definition, pronunciation and examples
MediumSemi-Formal / Formal / Legal
Quick answer
What does “blood relation” mean?
A person related to another by birth, as opposed to by marriage or legal adoption.
Audio
Pronunciation
Definition
Meaning and Definition
A person related to another by birth, as opposed to by marriage or legal adoption.
Any biological relative, typically emphasising a shared genetic lineage. Often used to clarify the nature of a family connection, especially in legal, genealogical, or personal contexts where the distinction between biological and non-biological family is relevant.
Dialectal Variation
British vs American Usage
Differences
Usage is nearly identical. 'Blood relative' is equally common, perhaps slightly more so in American English. 'Kin' is a more archaic/regional synonym in both varieties.
Connotations
Slightly more clinical or legal in tone than casual family terms like 'relative' or 'family member'.
Frequency
Low-frequency in casual conversation, but standard in specific domains like law, genealogy, and certain formal discussions.
Grammar
How to Use “blood relation” in a Sentence
be a blood relation (to/of someone)have blood relations (in a place)the only blood relation (someone) hasVocabulary
Collocations
Examples
Examples of “blood relation” in a Sentence
verb
British English
- N/A
American English
- N/A
adverb
British English
- N/A
American English
- N/A
adjective
British English
- N/A
American English
- N/A
Usage
Meaning in Context
Business
Rare, except in specific contexts like family business succession planning.
Academic
Used in anthropology, sociology, genetics, and legal studies to specify biological kinship.
Everyday
Used to clarify family ties, e.g., 'Is she your blood sister or stepsister?'
Technical
Standard in legal documents (wills, immigration), genealogy, and medical history contexts.
Vocabulary
Synonyms of “blood relation”
Strong
Neutral
Vocabulary
Antonyms of “blood relation”
Watch out
Common Mistakes When Using “blood relation”
- Using it as an uncountable noun (e.g., 'I have blood relation with him' instead of 'He is a blood relation of mine').
- Confusing 'relation' and 'relative' (both are acceptable here, but 'blood relative' is more common in speech).
FAQ
Frequently Asked Questions
Not always. 'Next of kin' is often the closest living relative, who may be a blood relation or a spouse. 'Blood relation' specifies the biological connection.
No. An adoptive child is a legal relation but not a blood (biological) relation to the adoptive parents. They remain a blood relation to their biological parents.
It is not inherently offensive, but it can be sensitive in families with adopted or step-members. It's best used in factual/legal contexts rather than to imply a superior bond.
'Relative' is a broader term including anyone connected by blood, marriage, or adoption. 'Blood relation' is a subset, excluding relations by marriage or adoption.
A person related to another by birth, as opposed to by marriage or legal adoption.
Blood relation is usually semi-formal / formal / legal in register.
Blood relation: in British English it is pronounced /ˈblʌd rɪˌleɪ.ʃən/, and in American English it is pronounced /ˈblʌd rɪˌleɪ.ʃən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Blood is thicker than water (related concept, but not containing the phrase)”
Learning
Memory Aids
Mnemonic
Think of a family tree where the connecting lines are drawn in red ink—symbolising blood—to show who is genetically linked.
Conceptual Metaphor
BLOOD = LINEAGE / INHERITANCE (e.g., 'bloodline', 'blue blood'). The substance 'blood' metaphorically carries the essence of family identity.
Practice
Quiz
In which context is 'blood relation' LEAST likely to be used?