extensive
Covering much ground
Extensive means covering a large area, scope, or amount.
An extensive search is thorough and wide-ranging.
Extensive damage affects much of something.
Extensive experience spans many years or situations.
The word emphasizes breadth rather than depth—an extensive reading list covers many topics but may not exhaust any single one.
Wide in span
- wideOf great breadth
- sweepingExtensive and far-reaching
- far-reachingHaving broad impact
- wide-rangingCovering many subjects
all-encompassing · encompassing · overarching · expansive · comprehensive · inclusive · blanket · umbrella
Existing across many places
- pervasivePresent throughout, inescapable
- ubiquitousPresent in all places
- prevalentCommonly occurring, widespread
- far-flungScattered over vast areas
diffuse · broad-based · wide-reaching · omnipresent · distributed · dispersed · scattered · stretched
Including all elements
- exhaustiveCovering all possibilities
- thoroughComplete in every detail
- completeLacking nothing, fully done
- in-depthThoroughly and comprehensively detailed
meticulous · painstaking · rigorous · systematic · methodical · detailed · scrupulous · diligent
Extremely great in size
- immenseExtremely large in scope
- enormousExtremely large in scale
- massiveExtremely large and heavy
- hugeExtremely large in size
large · sizable · substantial · considerable · voluminous · capacious · spacious · sprawling
Full of specifics
- granularMade of tiny particles
- intricateElaborately detailed, many parts
- elaborateComplex and detailed
- nuancedHaving fine distinctions
fine-grained · itemized · particularized · specific · precise · analytical · minute · microscopic
broad
Wide in span
- wideOf great breadth
- sweepingExtensive and far-reaching
- far-reachingHaving broad impact
wide-ranging · all-encompassing · encompassing · overarching · expansive · comprehensive · inclusive · blanket · umbrella · panoramic
widespread
Existing across many places
- pervasivePresent throughout, inescapable
- ubiquitousPresent in all places
- prevalentCommonly occurring, widespread
far-flung · diffuse · broad-based · wide-reaching · omnipresent · distributed · dispersed · scattered · stretched · protracted
comprehensive
Including all elements
- exhaustiveCovering all possibilities
- thoroughComplete in every detail
- completeLacking nothing, fully done
in-depth · meticulous · painstaking · rigorous · systematic · methodical · detailed · scrupulous · diligent · careful
vast
Extremely great in size
huge · large · sizable · substantial · considerable · voluminous · capacious · spacious · sprawling · rambling
detailed
Full of specifics
- granularMade of tiny particles
- intricateElaborately detailed, many parts
- elaborateComplex and detailed
nuanced · fine-grained · itemized · particularized · specific · precise · analytical · minute · microscopic · exacting
extensivelimited
Restricted in extent
narrow · restricted · confined · circumscribed · partial
- extension cordFlexible electrical reach lengthener
- hair extensionsAttached artificial strands
- filename extensionsSuffixes indicating file format
- extension cableCord adding outlet reach
- file extensionFilename's type-identifying suffix
- deadline extensionLater submission date granted
extension, extensively, extensions, extensible, extensiveness, extensibility