目安|めやすmeyasu[0]heiban (flat)

1. nouncriterion; standard; yardstick; reference; aim
2. nounrough estimate; approximation

• Synonym基準きじゅんNeutralA strict basis for judgment, as in 「判断基準」; more rigorous and formal than 「目安」, which is only a rough guideline.
• Synonym標準ひょうじゅんNeutralA standard, norm, or average level, as in 「標準体重」 or 「標準仕様」; unlike 「目安」, it is not a rough estimate.
• SynonymスタンダードNeutralA loanword for something standard or the classic model, as in 「スタンダードな型」; no sense of a rough estimate.
• Related物差しものさしNeutralA yardstick for judging things, often colloquial and figurative, as in 「自分の物差しで測る」.
• Related参考さんこうNeutralUsing something as a reference, as in 「参考にする」; it carries no sense of a numerical estimate, unlike 「目安」.
• Related基点きてんWrittenWritten term for the starting point of a measurement, as in 「基点からの距離」; mostly geography and mathematics.
• Related規格きかくNeutralOfficial specifications for products, food, etc., as in 「規格外」; a fixed standard, not a rough guideline.
• Related基準点きじゅんてんWrittenA reference point for measurement, used mainly in surveying and mapping; rare in everyday speech.
• Related判定基準はんていきじゅんWrittenWritten term for the criteria used to judge pass/fail, grades, or categories; mostly in medicine and exams.

Use 「目安」 for a rough guideline or approximate estimate, as in 「一日の摂取量の目安」. For strict criteria choose 「基準」, for average levels 「標準」, for product specifications 「規格」, and for consulting something 「参考」.

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

1. 目当めあて。
2. 目標もくひょう。
3. 規準きじゅん。標準ひょうじゅん。
4. 箇条書かじょうがきにした訴うったえの文書ぶんしょ。