characterized by action or forcefulness or force of personality
(used of verbs (e.g. `to run') and participial adjectives (e.g. `running' in `running water')) expressing action rather than a state of being
an efficient incentive
of or relating to dynamics
the property of producing abundantly and sustaining vigorous and luxuriant growth
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
the state of being fertile; capable of producing offspring
