グレードgureedo

1. noungrade

• Synonym等級とうきゅうWrittenWritten word for grades set by quality or rank, e.g. product grades or stellar magnitude; 「グレード」is a loanword used mainly for the tier of goods and services.
• SynonymクラスNeutralMainly a school class, but also a grade, as in 「ファーストクラス」; 「グレード」 stresses quality tier and is not used for a class of students.
• Synonym級きゅうNeutralMostly a suffix or counter for levels, as in 「一級」and 「三級」; 「グレード」is a standalone loanword.
• Synonym階級かいきゅうNeutralCovers social class and ranks such as military or job grades; 「グレード」mostly refers to the tier of products and services.
• Synonym格かくNeutralRefers to a person's standing or quality, as in 「格が違う」; 「グレード」leans toward the quality level of goods and services.
• SynonymランクNeutralA loanword for ranking or position that can also work as a verb, 「ランクする」; 「グレード」focuses on quality tier.
• Synonym程度ていどNeutralMeans degree or level, as in 「ある程度」; 「グレード」refers to tiers or grades that have been divided up.
• Related段階だんかいNeutralCan mean grades set by a standard, but more often a stage of development, as in 「最終段階」; 「グレード」is about quality or level.
• Related位くらいNeutralRefers to status or official rank, and as a formal noun expresses degree; 「グレード」leans toward product and service tiers.
• Related等位とういWrittenA rare written word for grade or equal rank; in everyday speech say 「等級」or 「グレード」.

Use 「グレード」for the tier of products or services, as in 「グレードアップ」. For formal grades say 「等級」, for rankings 「ランク」, for social class 「階級」, for a person's standing 「格」, for school classes 「クラス」, and for stages 「段階」.

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

1. 等級とうきゅう。階級かいきゅう。段階だんかい。