■ adjective
1》 of the same kind in appearance, character, or quantity, without being identical.
2》 Geometry (of geometrical figures) having the same angles and proportions, though of different sizes.
■ noun
1》 chiefly archaic a person or thing ~ to another.
2》 a substance that produces effects resembling the symptoms of a disease (the basis of homeopathic treatment).
Derivatives
~ity noun ( plural ~ities ).
~ly adverb
Origin
C16: from Fr. similaire or med. L. ~is , from L. similis 'like'.
Usage
The standard construction for ~ is with to , as in I've had problems ~ to yours . The construction ~ as ( I've had ~ problems as yourself ) is not accepted as correct in standard English.