Synonym: animated, dynamic, energetic, lively, spirited, vivacious, working. Antonym: dormant, inactive, passive. Similar words: actively, attractive, active transport, activist, activity, detective, objective, perspective. Meaning: ['æktɪv] 
n. 1. chemical agent capable of activity 2. the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb 3. a person devoted to the active life. adj. 1. tending to become more severe or wider in scope 2. engaged in or ready for military or naval operations 3. disposed to take action or effectuate change 4. taking part in an activity 5. characterized by energetic activity 6. exerting influence or producing a change or effect 7. full of activity or engaged in continuous activity 8. in operation 9. of the sun; characterized by a high level activity in sunspots and flares and radio emissions 10. expressing that the subject of the sentence has the semantic function of actor: "Hemingway favors active constructions" 11. expressing action rather than a state of being; used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water') 12. (of e.g. volcanos) capable of erupting 13. (of e.g. volcanos) erupting or liable to erupt 14. engaged in full-time work.
n. 1. chemical agent capable of activity 2. the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb 3. a person devoted to the active life. adj. 1. tending to become more severe or wider in scope 2. engaged in or ready for military or naval operations 3. disposed to take action or effectuate change 4. taking part in an activity 5. characterized by energetic activity 6. exerting influence or producing a change or effect 7. full of activity or engaged in continuous activity 8. in operation 9. of the sun; characterized by a high level activity in sunspots and flares and radio emissions 10. expressing that the subject of the sentence has the semantic function of actor: "Hemingway favors active constructions" 11. expressing action rather than a state of being; used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water') 12. (of e.g. volcanos) capable of erupting 13. (of e.g. volcanos) erupting or liable to erupt 14. engaged in full-time work. 
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61. Both of his parents were very politically active.
62. This sentence is in the active voice.
63. An active volcano may erupt at any time.
64. He is an active member of the club.
65. My father always led a very active life.
66. The virus is still active in the blood.
67. He's completed 30 years of active military service.
68. Companies need to take active steps to increase exports.
69. She took an active interest in local charities.
70. He took an active part in public affairs.
71. That child has a very active imagination.
72. It's important to remain mentally active after retirement.
73. How many kids in this school are sexually active?
74. He died on active service.
75. She's an active member of her local church.
76. He was an active bisexual.
77. She is wonderfully active for her age.
78. Learning has got to be active and experiential.
79. Given his age[sentencedict.com], he's remarkably active.
80. When did you first become politically active?
81. Click on the window to make it active.
82. The Bureau is active in promoting overseas investment.
83. Trades unions are active both in individual workplaces and in the wider arena of the state.
84. His move to the chairmanship means he will take a less active role in day-to-day man-agement.
85. Union leaders called for the active participation of all members in the day of protest.
86. He is increasingly active in harrying the government in late-night debates.
87. The parents were active in campaigning against cuts to the education budget.
88. In 'She drove the car'[Sentencedict], 'she' is the subject and the verb 'drove' is in the active.
89. Gordon is very active for a man of his years.
90. In her youth she was an active member of the Campaign for Nuclear Disarmament .
More similar words: actively, attractive, active transport, activist, activity, detective, objective, perspective, distinctive, protective, productive, collective, effectively, respectively, effectiveness, irrespective of, tactic, action, motive, native, fraction, practice, reaction, relative, incentive, practical, sensitive, supportive, executive, narrative.