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helpful

[help-fuh l] /ˈhɛlp fəl/
adjective
1.
giving or rendering aid or assistance; of service:
Your comments were very helpful.
Origin of helpful
1300-1350
Middle English word dating back to 1300-50; See origin at help, -ful
Related forms
helpfully, adverb
helpfulness, noun
overhelpful, adjective
overhelpfully, adverb
overhelpfulness, noun
quasi-helpful, adjective
quasi-helpfully, adverb
unhelpful, adjective
unhelpfully, adverb
Synonyms
useful, convenient; beneficial, advantageous.
Antonyms
useless, inconvenient.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for helpful

helpful

/ˈhɛlpfʊl/
adjective
1.
serving a useful function; giving help
Derived Forms
helpfully, adverb
helpfulness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for helpful
adj.

late 14c., from help (n.) + -ful. Related: Helpfully; helpfulness.

Online Etymology Dictionary, © 2010 Douglas Harper
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