- engaging or ready to engage in physically energetic pursuits；moving or tending to move about vigorously or frequently
- an active form of a verb.
- 1. engaging or ready to engage in physically energetic pursuits although he was seventy he was still robust and active 同義詞 反義詞
- ▪ moving or tending to move about vigorously or frequently I couldn't feel the baby moving, and it was normally very active
- ▪ characterized by busy or lively activity they enjoyed an active social life
- ▪ (of a person's mind or imagination) alert and lively Caroline nodded slowly, her active mind already racing ahead
- 2. pursuing an occupation or activity at a particular place or in a particular way the artist was active in the 1920s tigers are active mainly at night
- ▪ participating or engaged in a particular sphere or activity in a positive or spontaneous rather than a passive way she was an active member of the society he had never been very active in the affairs of the institute 同義詞 反義詞
- 3. (of a thing) working; operative the old watermill was active until 1960 同義詞 反義詞
- ▪ (of an electric circuit) capable of modifying its state or characteristics automatically in response to input or feedback the receiver is continuously active whenever the vehicle ignition is switched on
- ▪ (of a volcano) that is erupting or has erupted in historical times the volcano became active on 28 March last year Etna is Europe's highest and most active volcano
- ▪ (of a disease) in which the symptoms are manifest; not in remission or latent active colitis
- ▪ having a chemical or biological effect on something active ingredients
- 4. denoting a voice of verbs in which the subject is typically the person or thing performing the action and which can take a direct object (e.g. she loved him as opposed to the passive form he was loved).
- 1. an active form of a verb.