安直|あんちょくanchoku[0]heiban (flat)

1. na-adjective, nounsimple; easy; simplisticnegative nuance
2. na-adjective, nouninexpensive; cheap

• Synonym簡単かんたんNeutralThe most general term: not complicated or easy to do, with no positive or negative coloring. 「安直」 often implies taking the easy way, and can also mean cheap.
• Synonym簡易かんいWrittenFormal term, mostly attributive, for simplified procedures or facilities, as in 「簡易書留」. 「安直」 often carries a nuance of taking the easy way without much thought.
• Synonym単純たんじゅんNeutralDescribes a simple structure or single components, and can also mean simple-minded. 「安直」 focuses on an easy, convenient approach that lacks deep thought.
• SynonymシンプルNeutralA loanword for clean, uncluttered design or structure, mostly about looks or plans. 「安直」 often suggests hasty, careless thinking.
• SynonymイージーCasualColloquial loanword for easy and effortless, but also for sloppy, slapdash attitudes; that second sense is closest to 「安直」's take-the-easy-way use.
• Synonym簡便かんべんWrittenFormal word for simple, convenient procedures or methods, often describing tools or approaches, with no negative shade. 「安直」 often implies taking shortcuts.
• Synonym手軽てがるNeutralEffortless and easy to do, as in 「手軽な料理」, usually with a positive tone. 「安直」 can also mean quick and easy, but often leans negative.
• SynonymちょろいCasualSlang for something a piece of cake, or for a person who is easy to handle or trick. 「安直」 is not used to call someone gullible.
• Antonym精巧せいこうWrittenFormal word for fine, meticulous workmanship with every detail attended to; the opposite of the careless, rough-and-ready side of 「安直」.

For plain 'simple' or 'easy', use 「簡単」; for something effortless and convenient, 「手軽」. Use 「安直」 for taking the easy way without much thought, or for something cheap. For fine, careful workmanship, say 「精巧」.

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

1. 価格かかくが安やすいこと。
2. 手軽てがるであること。安易あんいであること。