foster

foster — verb

1. to take a child or animal into your home and look after them for a limited perio

1.動詞及物B1
釋義

to take a child or animal into your home and look after them for a limited period, without becoming their legal parent or permanent owner.

例句

Hyun and his wife decided to foster a teenage girl from the local agency.

foster + direct object (child placed by agency)

The shelter asked Karim if he could foster the injured puppy for a few weeks.

foster + direct object (animal); time-bound

同義詞
  • take in

    less formal, can also mean offering shelter to anyone (not just children or animals)

  • look after

    broader meaning — can refer to any care situation, not limited to non-legal arrangements

反義詞
  • adopt

    permanent legal parenthood rather than temporary care

文法句型

foster + noun phrase (child or animal)

be fostered + by + agent

用法筆記

Frequently used in the passive ('The child was fostered by neighbours'). Unlike 'adopt', fostering is always temporary — the biological parents retain legal rights. The verb can also refer to animals when shelters need short-term homes before permanent adoption.

常見錯誤

We adopted the kitten for two weeks.
We fostered the kitten for two weeks.
💡'adopt' means permanent ownership; 'foster' means looking after someone temporarily.
She fostered her own baby.
She cared for her own baby.
💡'foster' is only used when the child is not your own.

2. to help something develop or grow over time, such as a skill, feeling, relations

2.動詞及物B2
釋義

to help something develop or grow over time, such as a skill, feeling, relationship, or idea.

例句

The school's music programme helped foster a love of singing in young students.

foster + abstract noun phrase (love of singing)

Regular team meetings can foster better communication between different departments.

同義詞
  • encourage

    more general and less formal; can apply to both people and qualities

  • cultivate

    implies deliberate, sustained effort; can also refer to plants

  • nurture

    warmer, more emotional tone — often used for talents and relationships

  • promote

    more formal; can mean actively campaigning for something

反義詞
  • stifle

    to stop something from developing

  • discourage

    to make someone less likely to do something

文法句型

foster + noun phrase (abstract concept such as relationship, development, understanding)

用法筆記

The object is almost always an abstract noun — feelings, attitudes, skills, or relationships. It is rarely used with concrete nouns such as 'a business' or 'a plant'. Compare with 'cultivate', which can be used for plants as well as abstract qualities.

常見錯誤

The farmer fostered the crops in the field.
The farmer cultivated the crops in the field.
💡'foster' is not used for growing plants or raising livestock.

foster — adjective

foster — noun