Webster's 1828 Dictionary
UNRELATED
a. 1. Not related by blood or affinity.
2. Having no connection with.
New American Oxford Dictionary
unrelated
un re lat ed |ˌənriˈlātid ʌnrɪˈleɪtɪd | ▶adjective not related or linked: unrelated facts | households containing two or more unrelated people. DERIVATIVES un re lat ed ness noun
Oxford Dictionary
unrelated
un |re ¦lated |ʌnrɪˈleɪtɪd | ▶adjective not related or linked: unrelated facts | households containing two or more unrelated people. DERIVATIVES unrelatedness noun
American Oxford Thesaurus
unrelated
unrelated adjective 1 unrelated incidents: separate, unconnected, independent, unassociated, distinct, discrete, disparate, random. 2 a reason unrelated to my work: irrelevant, immaterial, inapplicable, extraneous, unconcerned, off the topic, beside the point, not pertinent, not germane.
Oxford Thesaurus
unrelated
unrelated adjective 1 two men had been arrested in unrelated incidents: separate, unconnected, independent, unattached, unassociated, unlinked, unallied, distinct, discrete, individual, uncoupled; unlike, varying, variant, disparate. ANTONYMS related, similar. 2 I chose London for another reason, unrelated to my work: irrelevant, immaterial, inapplicable, unconcerned, inapt, foreign, alien, extraneous, extrinsic, peripheral, off the subject, beside /off the point, wide of the mark, not pertinent, not germane; informal neither here nor there. ANTONYMS relevant.
Sanseido Wisdom Dictionary
unrelated
ù n re l á t ed /-ɪd /形容詞 «…と » 関係がない, 無関係の ; 〈人が 〉【人と 】親戚でない «to » .