dissimilar

Lacking common traits

Dissimilar describes things that are not alike or that differ from each other in notable ways.

It often appears with the preposition to or from: Her approach was dissimilar to anything we had tried before.

While similar suggests a degree of likeness, dissimilar emphasizes the absence of shared qualities or characteristics.

The word is somewhat formal; in everyday speech, people more often say different or unlike.

comparison

different

Not the same

disparate · nonidentical · divergent · incomparable · contrasting · differing · unequal · differentiated · distinguishable · unmatched

incompatibility

mismatched

Not fitting together properly

incompatible · incongruous · inharmonious · ill-matched · unrelated · unconnected · dissonant · jarring · unsuited · conflicting

opposition

opposite

Reverse or contrary thing

antithesis · opposing · inverse · converse · counter · polar · antipodal · diametric · conflicting · clashing

variety

heterogeneous

Consisting of dissimilar elements

mixed · eclectic · miscellaneous · multifarious · variegated · manifold · sundry · motley · patchwork · mosaic

Opposites
similarity/resemblance

dissimilarsimilar

Resembling another thing

alike · same · like · identical · matching

Family

dissimilarity, dissimilarities

Familiarity
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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G