1. having the same or nearly the same meaning as another word or phrase
Usage: formal; less common than ‘synonymous’

Examples

• The terms ‘happy’ and ‘joyful’ are synonymical in many contexts.
• These two expressions are synonymical and can be used interchangeably.
• The professor explained that the words were synonymical but had different connotations.
• In legal writing, finding synonymical terms helps avoid repetition.
• The dictionary listed several synonymical alternatives for the word.
• Students often struggle to find synonymical replacements for overused words.