surrogate
/ˈsʌrəɡət/ (bre, ipa) · [sˈɚəɡət] /ˈsɜːrəɡət/ (ame, ipa) · /ˈsʌr.ə.ɡət/ (bre, ipa) · [sˈɚəɡət] /ˈsɝː.ə.ɡət/ (ame, ipa) · [sˈɚəɡət] /ˈsər-ə-gət ˈsə-rə-, -ˌgāt/ (ame, mw)
surrogate — adjective
- surrogatepositive
- more surrogatecomparative
- most surrogatesuperlative
1. relating to someone or something used in place of the actual person or thing — f
relating to someone or something used in place of the actual person or thing — for instance, a surrogate parent is not the biological parent but fills that role.
The charity set up a network of surrogate families for children who could not live with their own parents.
surrogate + family: a family taking the parental role
A weekly phone call becomes a surrogate form of social contact for many seniors living alone.
surrogate + form of: describes a substitute type of something
After Aaron's parents died, his aunt and uncle became surrogate parents who raised him.
The school hired a surrogate instructor to cover classes while Mrs. Park was on maternity leave.
- substitute
more general; used for any replacement, especially in functional or mechanical contexts
- proxy
formal; specifically refers to a person authorized to act for another, often in voting or legal settings
- stand-in
informal; usually temporary, as for an actor or a speaker
文法句型
surrogate + noun
用法筆記
Commonly used before nouns like 'mother', 'parent', 'family', 'father'. Unlike 'substitute', 'surrogate' often carries emotional or relational weight — it is not just a mechanical replacement.
常見錯誤
surrogate — noun
- surrogatesingular
- surrogatesplural
1. someone or something that fills the role of another when the original person or
someone or something that fills the role of another when the original person or thing is absent, unavailable, or not suitable.
The grandmother became a loving surrogate for the children after their parents moved abroad for work.
a surrogate for [person]: someone who takes another's role
For an elderly patient, the therapy dog became a surrogate for the companionship he had lost.
After Sora's children went to university, gardening became a surrogate for her daily care routine.
The orphanage director acted as a surrogate for the children, attending parent-teacher meetings at their school.
- substitute
more neutral and widely used; less emotional weight
- replacement
emphasises the removal of the original; a surrogate may supplement rather than replace
- stand-in
informal; temporary and usually for a person in a specific event or role
- original
the first or genuine person or thing that a surrogate replaces
文法句型
a surrogate for + noun phrase
用法筆記
Frequently followed by 'for' to specify what is being replaced. Can refer to either a person or an object. The emotional or relational dimension is stronger than with 'substitute'.
常見錯誤
2. a person appointed or chosen to act, speak, or make decisions on behalf of anoth
a person appointed or chosen to act, speak, or make decisions on behalf of another person, especially when that person is absent or unable to act.
When the finance minister could not attend the summit, a senior official served as her surrogate at the talks.
serve as a surrogate: formal phrasing for acting on someone's behalf
The elderly woman named her eldest son as her healthcare surrogate, authorising him to decide on her medical treatment.
healthcare surrogate: legal term for a medical decision-maker
The ambassador sent a surrogate to the closed-door meeting because she had to return to the capital unexpectedly.
Dr. Chen prepared a written statement and asked a colleague to act as her surrogate at the disciplinary hearing.
- deputy
common in government and corporate roles; implies rank and formal appointment
- proxy
formal; often used in voting or legal authorization contexts
- representative
broader meaning; anyone elected or chosen to speak for a group
- alternate
used when someone fills in according to a rotation or formal arrangement
文法句型
a surrogate for + noun phrase (person)
用法筆記
Strongly associated with legal, political, and official contexts. A surrogate in this sense has formal authority to act, unlike a casual substitute. 'Healthcare surrogate' and 'surrogate decision-maker' are fixed terms in medical law.
常見錯誤
3. a woman who carries a pregnancy and gives birth on behalf of someone else — usua
a woman who carries a pregnancy and gives birth on behalf of someone else — usually a person or couple unable to conceive or sustain a pregnancy themselves.
The couple found a surrogate through a licensed agency after years of failed fertility treatments.
find a surrogate: common collocation in fertility contexts
The surrogate signed a contract agreeing to receive medical care and a monthly allowance during the pregnancy.
The surrogate named Adaeze flew to Chennai for the embryo transfer and rested afterwards.
The intended mother travelled from Japan to meet the surrogate who would carry her baby.
- surrogate mother
full form; more explicit in everyday conversation
- gestational carrier
medical term; refers specifically to a surrogate who has no genetic link to the baby
文法句型
surrogate + verb (carry, give birth)
act as a surrogate
用法筆記
Often used by itself (without 'mother') in news and legal contexts, though 'surrogate mother' is also common. Distinguish from 'gestational carrier' — a surrogate may or may not be genetically related to the baby, depending on the arrangement.
常見錯誤
surrogate — verb
- surrogatepresent simple I / you / we / they
- surrogates3rd person singular
- surrogating-ing form
- surrogatedpast simple
1. to officially appoint someone to take your place or to perform a duty on your be
to officially appoint someone to take your place or to perform a duty on your behalf, especially in a formal or organizational context.
The CEO surrogated her chief of staff Hari to attend the board meeting.
surrogate + person + to-infinitive: formal construction with named role
Ambassador Sivan surrogated a junior diplomat to deliver the statement at the Geneva press conference.
surrogate [person] + to-infinitive [purpose]: active voice, diplomatic context
Minister Obi surrogated a senior aide to sign the trade agreement during the overseas visit.
The committee surrogated former judge Iker to lead the review of the university admissions policy.
- substitute
common; works for both people and things
- deputize
closest in meaning; common in US English for assigning temporary authority
- appoint
general term for choosing someone for a role; less specific about replacement
文法句型
surrogate + person + as + role
be surrogated + to infinitive
用法筆記
Very rare in everyday English. The noun and adjective forms are far more common. In modern usage, 'appoint', 'designate', or 'substitute' are preferred in most contexts. This verb is mostly encountered in legal or historical texts.