The definition of synonymous is something that has similar meaning to something else.
An example of synonymous is little or small.
of, or having the nature of, a synonym; equivalent or similar in meaning
Origin of synonymousMedieval Latin synonymus from Classical Greek syn?nymos: see synonym
- Having the character of a synonym: synonymous words; synonymous species.
- Equivalent in connotation: “a widespread impression that … Hollywood was synonymous with immorality” ( Doris Kearns Goodwin )
Origin of synonymousFrom Medieval Latin synōnymus from Greek sunōnumos sun- syn- onoma, onuma name ; see nō-men- in Indo-European roots.