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| eccentric | 
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| a. Syn. irregular; odd; whimsical; bizarre (غريب الأطوار) departing from a recognized, conventional, or established norm or pattern | 
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| echo | 
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| n.  (إيكو) sound reflected from an opposing surface and repeated to the ear; repetition of a sound | 
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| ecology | 
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| n.  (علم البيئة) science of the relationships between organisms and their environments | 
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| economic | 
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| a. Syn. frugal; cheap; economical (الاقتصادية) pertaining to economy; frugal; cheap | 
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| economical | 
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| a. Syn. thrifty; saving (الإقتصادية) thrifty; saving; using the minimum of time or resources necessary for effectiveness | 
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| economics | 
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| n.  (الاقتصاد) branch of social science that deals with the production and distribution and consumption of goods and services and their management | 
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| edit | 
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| v.  (تعديل) revise and prepare for publication; select, correct, arrange matter of, for publication | 
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| editorial | 
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| a.  (التحرير) of or pertaining to an editor; written or sanctioned by an editor | 
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| efficient | 
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| a. Syn. effective (تتصف بالكفاءة) effective; acting directly to produce an effect; exhibiting a high ratio of output to input | 
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| elaborate | 
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| a. Syn. detailed; complicated (تفاصيل) marked by complexity and richness of detail; done with care and in minute detail |