生易しい・生やさしい|なまやさしいnamayasashii[5]nakadaka (mid-high)

1. i-adjectivesimple; easy

• SynonymやさしいNeutralThe everyday word for 'easy'. Unlike 「生易しい」, which is nearly limited to negatives like 「生易しくない」, 「易しい」 works fine in plain affirmative statements.
• Synonym簡単かんたんNeutralThe most common everyday word for 'simple', usable both affirmatively and negatively and with the widest range. 「生易しい」 appears almost only in negatives.
• SynonymたやすいWrittenRather written, meaning something can be done with ease, as in 「容易く手に入る」. 「生易しい」 is mostly negative, stressing that something is by no means simple.
• Synonym容易よういNeutralA Sino-Japanese word common in both affirmative and negative uses, as in 「容易な作業」 and 「容易ではない」. Unlike 「生易しい」, it is not confined to negatives.
• SynonymイージーNeutralLoanword meaning easy or relaxed, and by extension careless, as in 「イージーミス」.
• Synonym安易あんいNeutralMeans doing things the easy way without careful thought, often derogatory, as in 「安易な考え」.
• Synonym簡易かんいNeutralMeans simplified or no-frills, as in 「簡易包装」 and 「簡易裁判所」.
• Synonym造作ないぞうさないWrittenWritten and quite rare, usually as 「造作もない」: something takes no trouble at all. 「生易しい」 is almost only used in the negative.
• SynonymわけないCasualColloquial: something is as easy as can be, as in 「そんなの訳ない」. It can also mean 'impossible', a sense 「生易しい」 lacks.
• Related単純たんじゅんNeutralDescribes things that are structurally simple or people who are simple-minded; the emphasis is on lack of complexity, not on a task being easy to do.
• Related平易へいいWrittenWritten word for plain, easy-to-understand language, often evaluating texts and explanations. 「生易しい」 is mostly negative, saying something is not simple.
• RelatedたわいないNeutralMeans silly or childish, and can also describe something so easy it is hardly worth mentioning.
• RelatedちょろいCasualColloquial and dismissive: someone or something is easily handled, as in 「ちょろい相手」. 「生易しい」 is mostly used in negatives.
• Related軽易けいいWrittenWritten and quite rare, meaning light and easy. In everyday speech 「簡単」 is the natural choice.
• Antonym難しいむずかしいNeutralThe basic antonym: hard to do or deal with, the direct opposite of simple and easy.
• Antonym困難こんなんNeutralAlso means difficult, but leans toward written prose; it contrasts with the idea of something being easily done.

For everyday 'easy' and 'simple', 「簡単」 and 「易しい」 are the default choices. 「生易しい」 itself is almost confined to negatives: use 「生易しいものではない」 or 「並大抵ではない」 to stress that something is by no means simple. For rash or careless attitudes, use 「安易」.

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

1. （打ち消うちけしの語ごを伴ともない）簡単かんたんな。容易たやすい。