single-minded

[sing-guhl-mahyn-did]
adjective
1.
having or showing a single aim or purpose: a single-minded program.
2.
dedicated; resolute; steadfast: He was single-minded in his concern for truth.

Origin:
1570–80

single-mindedly, adverb
single-mindedness, noun


2. determined, persevering, inflexible, firm.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
single-minded
 
adj
having but one aim or purpose; dedicated
 
single-'mindedly
 
adv
 
single-'mindedness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences for singleminded
All my years of humble but singleminded service culminated in that moment of revelation.
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