Newspaper reading, movie watching, listening to songs, comics, news, stuff like that helps a great deal in improving vocabulary. At least this is what I recommend to my students and it does prove feracious. But practice is the key. You know improving vocabulary can positively influence communication skills (emphasis should be on writing skills). So integrate vocabulary learning with writing skills and you can achieve "dual perfection".

Regards

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Conscious does make cowards of us all...