[ dih-duhkt ]
/ dɪˈdʌkt /

verb (used with object)

to take away, as from a sum or amount: Once you deduct your expenses, there is nothing left.

verb (used without object)

detract; abate (usually followed by from): The rocky soil deducts from the value of his property.

Origin of deduct

1375–1425; late Middle English < Latin dēductus brought down, withdrawn, past participle of dēdūcere; see deduce

Related forms

pre·de·duct, verb (used with object)un·de·duct·ed, adjective

Can be confused

deduce deduct Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deduct

British Dictionary definitions for deduct


/ (dɪˈdʌkt) /


(tr) to take away or subtract (a number, quantity, part, etc)income tax is deducted from one's wages

Word Origin for deduct

C15: from Latin dēductus, past participle of dēdūcere to deduce
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