non-contradictory

Free from conflict

Non-contradictory describes statements, ideas, or positions that do not conflict with one another.

In logic, a non-contradictory set of propositions can all be true simultaneously: The witness's accounts were non-contradictory.

The term appears in philosophical and legal contexts where internal consistency matters.

coherent

consistent

Not varying or contradicting

seamless · congruent · harmonious · compatible · aligned · interconnected · correlated · consonant · congruous · undivided

logical

valid

Legally or logically sound

coherent · tenable · defensible · supportable · well-founded · cogent · plausible · justified · warranted · substantiated

compatible

interoperable

Able to work together

adaptable · agreeable · concordant · accordant · congenial · amenable · assimilable · conformable · reconcilable · coexistent

harmonious

accord

Harmony between parties

  • consonanceHarmonious sound combination
  • unityWholeness through cohesion
  • concordMutual agreement, peaceful relations

balance · agreement · congruence · amity · rapport · compatibility · unanimity · alignment · synchrony · equilibrium

consistent

uniform

Identical throughout

constant · stable · persistent · regular · unswerving · unwavering · unvarying · unbroken · continuous · homogeneous

Opposites
logical consistency

non-contradictorycontradictory

Logically opposed to itself

self-contradictory · inconsistent · paradoxical · incoherent · mutually exclusive

practical coherence

non-contradictoryself-defeating

Causing one's own failure

counterproductive · at cross-purposes · self-sabotaging · incoherent · muddled

argumentative validity

non-contradictoryfallacious

Containing faulty reasoning

absurd · untenable · self-refuting · nonsensical · invalid

Family

contradictory, contradict, contradiction, contradictions, contradicts, contradicted, contradicting, contradictorily, diction

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Used worldwide · Timeless · Abstract · Rated G