"excessive need" is correct and can be used in written English.
You can use it to describe an excessive and unnecessary craving or appetite for something. For example, "Jack had an excessive need for energy drinks, and he was drinking at least one a day."
The main problem for this terrific virtuoso is her excessive need to project prepared facial expressions.
Mr. Braunstein's narcissistic disorder, she said, led to feelings of grandiosity, "an excessive need for the admiration of others," and to "lack of empathy for those around him".
It is possible romance might be sabotaged by that not-uncommon malady, an excessive need to please, but for a reporter, that is a plus.
Narcissistic personality disorder involves a pervasive grandiosity, an extreme desire for attention, a sense of entitlement, a willingness to exploit or mistreat others, an excessive need for admiration and a lack of empathy.
Auditors in Venice are taking Mr. Calatrava and several engineers to court because of cost overruns and what they see as an excessive need for repairs on Mr. Calatrava's Ponte della Costituzione, a footbridge across the Grand Canal.
Beyond simple self-regard, the narcissistic disorder refers to a destructive pattern of thought and behavior whose traits include an unrealistic sense of one's importance and power, an excessive need for admiration and a lack of empathy for the feelings or needs of others.
Attempts to use complex chemistry and transport in direct numerical simulations (DNS) of premixed combustion (even for kinetically simple systems, such as H2/air and CH4/air) often result in excessive needs of memory and CPU time.
This fact is born out in annual precipitation totals, which range between 25 and annually, with healthy redwood forests throughout the areas of less precipitation because excessive needs for water are mitigated by the ever-present summer fog and the cooler temperatures it ensures.
Despite the UK being a world leader in science and all the benefits this yields, the initial funding requirements are apparently excessive so need to be cut.
Such ordinary and sensible regulations rely on, among other things, our belief that in a sane and democratic nation regulation may become excessive, but need not, because reasonable people are watchful and can be relied on to do sensible things.
In [16, 17] end-uses, very close to the ones treated in this paper, were analyzed; however, appliance-specific decision rules and excessive training need to be developed.
