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nonconcurrence

[non-kuhn-kur-uhns, -kuhr-] / ˌnɒn kənˈkɜr əns, -ˈkʌr- /
NOUN
dissent
Synonyms
STRONGEST
discord dissension disunity objection opposition protest resistance schism strife
STRONG
bone clinker conflict contention denial difference disaccord dissidence flak hassle heresy heterodoxy nonconformism nonconformity refusal spat split unorthodoxy variance
WEAK
bone of contention bone to pick far cry misbelief nonagreement nope poles apart sour note
Antonyms
STRONGEST
acceptance agreement approval concurrence harmony peace
STRONG
accord conformity orthodoxy
WEAK
authorization endorsement ratification sanction

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.