impel
impel — verb
- impelpresent simple I / you / we / they
- impelshe / she / it
- impelledpast simple
- impelling-ing form
1. to affect someone's feelings so powerfully that they feel an inner need to do so
to affect someone's feelings so powerfully that they feel an inner need to do something they might not otherwise choose to do
The documentary about poverty impelled Sophia to volunteer at a local shelter.
impel + person + to-infinitive
Minho felt impelled by his parents' sacrifice to work harder in all his classes.
passive: be impelled by + to-infinitive
What could possibly impel a person to risk their life for a complete stranger?
A strong sense of fairness impelled the young teacher to report the unfair grading system.
Eve was impelled by guilt to return the wallet she had found on the train.
- compel
stronger than impel; 'compel' suggests irresistible force, often backed by authority or rules, whereas 'impel' is about internal motivation
- drive
more common and less formal; can be used for both internal and external pressure
- motivate
focuses on providing a reason to act rather than creating a sense of pressure
- urge
softer than impel; 'urge' suggests encouragement rather than a feeling of being forced
- discourage
to make someone feel less willing to do something
- deter
to make someone decide not to do something, often through fear or doubt
文法句型
impel + person + to-infinitive
be impelled + to-infinitive
be impelled by + noun phrase + to-infinitive
用法筆記
Frequently used in the passive (be impelled). The subject is usually an abstract force such as guilt, conscience, duty, or curiosity, not a person giving an order.
常見錯誤
2. to use physical power, such as wind, electricity, or a motor, to cause an object
to use physical power, such as wind, electricity, or a motor, to cause an object to move in a specific direction
A small electric motor impels the fan blades on hot summer afternoons.
impel + object + prepositional phrase (time/place)
The wind impels the sailboat forward across the calm water of the bay.
natural force as subject: wind impels + object forward
These powerful engines impel the heavy train up the steep mountain tracks.
Gabriel watched the river current impel the fallen leaves downstream.
文法句型
impel + object + forward/onward
impel + object + prepositional phrase (across/through/up)
用法筆記
This physical sense is formal and literary; the more common word for physical motion is 'propel'. The subject is typically a mechanical force or natural element. The object is always followed by a directional word or phrase (forward, onward, across, through, downstream).