dual
Having two aspects
Dual means consisting of two parts or having a twofold nature.
A dual citizenship grants belonging to two countries.
A dual purpose serves two functions.
Dual carriageways have lanes running in both directions.
The word emphasizes pairing or doubling: She led a dual life as teacher and spy.
In grammar, some languages have a dual number for exactly two of something, distinct from singular and plural.
Twice the amount
- twinOne of matched pair
- copyIdentical reproduction made
- cloneGenetically identical organism
- replicaFaithful scaled reproduction
replication · duplication · identical · carbon-copy · reproduce · redundancy · parallel · equivalent
Two matching things
- coupleTwo linked together
- twosomeTwo together
- dyadTwo forming one
- tandemSequential two-person arrangement
brace · partners · twins · match · complement · mates · team · partnership
Chinese duality symbol
- complementarityMutual enhancement through difference
- balanceSteadiness or amount owed
- polarityState of opposing forces
- dichotomyDivision into contrasting parts
paradox · ambivalence · opposition · coexistence · interplay · tension · unity · symbiosis
With opposite surfaces
- two-wayOperating in both directions
- mutualShared between parties
- reciprocalShared between two parties
- jointShared by multiple parties
shared · cooperative · collaborative · bipartisan · bipartite · partnership · mutuality · bilateralism
Useful for varied applications
- versatileCapable in varied contexts
- hybridThing of mixed parentage
- combinedMerged into one
- convertibleCar with folding roof
adaptive · flexible · amphibious · ambidextrous · bilingual · bimodal · bifocal
Legal belonging to country
- passportGovernment-issued travel credential
- allegianceLoyalty owed to authority
- residencyState of dwelling somewhere
- immigrantOne who resettles abroad
expatriate · naturalization · birthright · diaspora · binational · status · rights · identity
double
Twice the amount
replica · replication · duplication · identical · carbon-copy · reproduce · redundancy · parallel · equivalent · facsimile
pair
Two matching things
tandem · brace · partners · twins · match · complement · mates · team · partnership · couplet
yin-yang
Chinese duality symbol
- complementarityMutual enhancement through difference
- balanceSteadiness or amount owed
- polarityState of opposing forces
dichotomy · paradox · ambivalence · opposition · coexistence · interplay · tension · unity · symbiosis · antithesis
two-sided
With opposite surfaces
- two-wayOperating in both directions
- mutualShared between parties
- reciprocalShared between two parties
joint · shared · cooperative · collaborative · bipartisan · bipartite · partnership · mutuality · bilateralism · agreement
multipurpose
Useful for varied applications
convertible · adaptive · flexible · amphibious · ambidextrous · bilingual · bimodal · bifocal
nationality
Legal belonging to country
- passportGovernment-issued travel credential
- allegianceLoyalty owed to authority
- residencyState of dwelling somewhere
immigrant · expatriate · naturalization · birthright · diaspora · binational · status · rights · identity
- two or doubledouble, dyad, binary, bipartite, dipole
- category theorycategory, object, adjunction, adjoint, limit
- noun grammarnoun, noun phrase, case, declension, noun clause
- pairspair, pairs, two, duos, double
- doubles & dualitypair, twin, double, copy, clone
- Showerheadshandheld, rainfall, fixed, detachable, rain shower
dualunilateral
Affecting one side only
one-sided · one-way · single · multilateral · unpaired
- duality of manCoexisting opposite impulses within
- dual roleTwo parts, same performer
- dual identityHaving two distinct selves
- dual citizenshipHolding two nationalities simultaneously
- dual citizensHolders of two nationalities
- dual controlsDuplicate operating mechanisms
duality, dualism, dualistic, dually, dualities, duals, dualisms, non-duality