what does complex mean?

Answer 1

to me it means difficult,complicated or multifaceted, however you have the well developed answer above from Sweeti

Answer 2

Complex-It means something Hard or Uneasy or very Complicated-also known as Complex

Answer 3

Definitions of complex on the Web:

a conceptual whole made up of complicated and related parts; "the complex of shopping malls, houses, and roads created a new town"
a compound described in terms of the central atom to which other atoms are bound or coordinated
(psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a person's behavior
complicated in structure; consisting of interconnected parts; "a complex set of variations based on a simple folk melody"; "a complex mass of diverse laws and customs"
building complex: a whole structure (as a building) made up of interconnected or related structures
wordnet.princeton.edu/perl/webwn

A complex in chemistry and biochemistry is a reversible association of molecules, atoms, or ions through weak non-covalent chemical bonds. Simple salts are usually not considered complexes.
en.wikipedia.org/wiki/Complex_(chemistry)

In psychology a complex is generally an important group of unconscious associations, or a strong unconscious impulse lying behind an individual's otherwise mysterious condition: the detail varies widely from theory to theory. However their existence is quite widely agreed upon in the area of depth psychology at least, being instrumental in the systems of both Freud and Jung. ...
en.wikipedia.org/wiki/Complex_(psychology)

Two or more individual incidents located in the same general area which are assigned to a single incident commander or unified command.
www.fireplan.gov/resources/glossary/c.html

Multifaceted aroma and/or flavor. Most wines considered great exhibit a combination of flavor and aroma elements.
www.sallys-place.com/beverages/wine/wine_glossery.htm

Seven separate prison facilities located in Northern Virginia that house Department of Corrections prisoners.
www.usdoj.gov/ag/youngstown/glossary.htm

Wines that possess the elusive qualities where many layers of flavor seem to unfurl and change over time in the glass. A balance that combines all flavor and taste components in perfect harmony. A complex wine is a combination of richness, depth, flavor intensity, focus, balance, harmony and finesse.
www.valleyvineyards.com/wine_glossary.htm

Describes a wine that combines all flavor and taste components in almost miraculous harmony.
grandcrullc.com/Wine_Terminology.htm

a complex wine is many-faceted; it contains not only acids, alcohols, tannins, etc., but more. Each sip brings another flavor, reveals another nuance.
wineschool.com/vocabulary.html

The best wines display a fairly broad range of qualities that render their taste complex and challenging – in contrast to simple wines that lack depth and character.
www.st-kathryn-cellars.com/glossary.htm

Describes both aromas and flavors, and the existence of several facets simultaneously.
www.goosecross.com/corner/glossary.html

A variety and range of aromas and bouquets and multiple layers of flavor.
www.santabarbara.com/winecountry/terminology.asp

When a simple ion (or atom) is surrounded by several other groups of atoms (or ions) that are bound to it, the resulting species is called a complex ion
www.uyseg.org/greener_industry/pages/glossary.htm

Seeming to possess many layers of flavor, for which time is needed to examine and characterize all of them.
www.mcgees.org/popupmaltglossary.html

two or more molecules which are associated together by some type of interaction of electrons, other than a covalent bond. (see: covalent bond)
www.pslc.ws/macrog/kidsmac/glossary.htm

a consistently recurring assemblage of artifacts or traits which may be indicative of a specific set of activities, or a common cultural tradition.
farahsouth.cgu.edu/dictionary/

Stacks of membranous structures in eukaryotic cells (cells having a nucleus) that function in the processing and sorting of proteins and lipids destined for other cellular compartments or for secretion.
www.lsdn.com/glance_glossary.shtml

Describes a wine that has an interesting combination of flavors and scents.
www.novusvinum.com/glossary/glossary_c.html

the entrances are connected by a hole that has more than one distinct bend.
www.naturalarches.org/archinfo/classification.htm

A descriptive term for a multifaceted, multi-layered wine that continues to reveal different flavors as you drink it. A complex wine, because it is so fascinating, has an almost magical ability to draw the wine drinker in.
www.allhlwines.com/glossary.html

a closed fracture in which there is considerable injury to adjacent soft tissues.
www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_f_15zPzhtm

A taste or aroma with many aspects (as opposed to simple).
www.caribbeangoldcoffee.com/coffee/coffee-terms-glossary.htm

The name given by Jung to autonomous or semi-autonomous psychic structures within the personal unconscious that compete with the ego for psychic energy.
www.schuelers.com/ChaosPsyche/glossary.htm

a chronological subdivision of different artifact types like stone tools, pottery, etc. used in the development of culture histories.
darkwing.uoregon.edu/~mmoss/GLOSSARY.HTM

A wetland polygon composed of more than one map component at a scale too fine to map at 1:25,000.
www.kenaiwetlands.net/glossary.htm

used here to reference an integrated mosaic of natural communities and/or aquatic features.
www.dnr.state.wi.us/org/land/er/publications/niagara/Glossary.asp

An associated group of emotional ideas about a subject, partly or wholly repressed, in conflict with other ideas accepted by an individual.
miriams-well.org/Glossary/

Having multifaceted aroma and flavor; a hallmark of greatness.
www.chowbaby.com/10_2000/glossary/glossary.asp

Answer 4

complicated or difficult

Answer 5

difficult/complicated

Answer 6

difficult to comprehend