the act or practice of instructing or teaching; education.
knowledge or information imparted.
an item of such knowledge or information.
Usually instructions. orders or directions: The instructions are on the back of the box.
the act of furnishing with authoritative directions.
Computers. a command given to a computer to carry out a particular operation.

Origin of instruction

1375–1425; late Middle English instruccio(u)n < Latin instructiōn- (stem of instructiō). See instruct, -ion
Related formsin·struc·tion·al, adjectivemis·in·struc·tion, nounnon·in·struc·tion·al, adjectivenon·in·struc·tion·al·ly, adverbo·ver·in·struc·tion, nounpre·in·struc·tion, nounre·in·struc·tion, nounself-in·struc·tion, noun

Synonyms for instruction

1. tutoring, coaching; training, drill, exercise; indoctrination; schooling. 5. command, mandate. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for instructional

Contemporary Examples of instructional

Historical Examples of instructional

British Dictionary definitions for instructional



a direction; order
the process or act of imparting knowledge; teaching; education
computing a part of a program consisting of a coded command to the computer to perform a specified function
Derived Formsinstructional, adjective
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

Word Origin and History for instructional

1801, from instruction + -al (1).



c.1400, instruccioun, "action or process of teaching," from Old French instruccion (14c.), from Latin instructionem (nominative instructio) "building, arrangement, teaching," from past participle stem of instruere "arrange, inform, teach," from in- "on" (see in- (2)) + struere "to pile, build" (see structure (n.)). Meaning "an authoritative direction telling someone what to do; a document giving such directions," is early 15c. Related: Instructions.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for instructional



A sequence of bits that tells a computer's central processing unit to perform a particular operation. An instruction can also contain data to be used in the operation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.