- having a likeness or resemblance, especially in a general way: two similar houses.
- Geometry. (of figures) having the same shape; having corresponding sides proportional and corresponding angles equal: similar triangles.
- Mathematics. (of two square matrices) related by means of a similarity transformation.
Origin of similar
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for unsimilar
The course of Spain, and that of the Italian States, have been not unsimilar.Pilgrimage from the Alps to the Tiber
James Aitken Wylie
I flatter myself that "not unsimilar abundance" is eminently Milvertonian.Chambers' Edinburgh Journal
They looked at each other, in fact, being much of an age, and not unsimilar in worldly means just at the present moment.Salem Chapel, v.1/2
Of Haydn's early days we have already spoken, and those of Mozart were not unsimilar.The Pianoforte Sonata
- showing resemblance in qualities, characteristics, or appearance; alike but not identical
- geometry (of two or more figures) having corresponding angles equal and all corresponding sides in the same ratioCompare congruent (def. 2)
- maths (of two classes) equinumerous
Word Origin and History for unsimilar
"having characteristics in common," 1610s (earlier similary, 1560s), from French similaire, from a Medieval Latin extended form of Latin similis "like, resembling," from Old Latin semol "together," from PIE root *sem- (1) "one, as one, together with" (see same). The noun meaning "that which is similar" is from 1650s. Related: Similarly.