How to say "many-sided" in Japanese

• 多角たかくCommon
  no-adjectiveCovers the literal and structural sense of having many sides or angles, and by extension diversified arrangements. It is the noun behind geometric talk of many-sided figures and diversified, multi-cornered approaches.
• 多面ためんCommon
  no-adjectiveCovers the multifaceted sense of 'many-sided': a person, work, or problem that has many distinct faces or aspects. Use it when emphasizing the different sides that make up one thing rather than activity in many fields.
• 多方面たほうめんCommon
  na-adjective, nounCovers versatility across many fields or directions: skills, influence, or activity extending into many areas. It suits people or efforts described as many-sided in the sense of wide-ranging rather than multifaceted in character.
• 多角的たかくてきCommon
  na-adjectiveAn adjectival form covering many-sided analysis or approaches, and also the diplomatic sense of multilateral. Choose it when you need an adjective modifying a noun, as in a many-sided or multilateral examination of a problem.
  多角的たかくてきに見みなければならない。↗

  We must examine the various aspects.

For geometric or structural 'many-sided', 多角 and its adjectival form 多角的 fit; for a person's or issue's many aspects use 多面, and for activity or ability across many fields use 多方面.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 多角たかくmany-sided
• 多面ためんmany-sided
• 多方面たほうめんmany-sided
• 多角的たかくてきmultilateral