最下|さいかsaika[1]atamadaka (head-high)

1. no-adjectivethe lowest; the worst

• SynonymワーストNeutralLoanword for the worst, used mostly for rankings, as in 「ワースト記録」; common in news reports too. 「最下」 itself points to the lowest position or rank.
• Synonym最低さいていNeutralLowest or worst, and colloquially a put-down for something awful; very widely used. 「最下」 is more written and focuses on the lowest position or rank.
• Related最悪さいあくNeutralThe worst, with the focus on how bad a situation gets, as in 「最悪の事態」.
• Relatedどん底どんぞこNeutralRock bottom: the very lowest point, stressing how bad one's situation is.
• Antonym最上さいじょうWrittenThe top or the best; the direct opposite of 「最下」, and leans toward written prose.
• Antonym最高さいこうNeutralThe highest or best; the direct opposite of 「最下」.

Use 「最下」 for the lowest position or rank in written style, as in 「最下位」「最下層」. In speech, say 「最低」 or 「最悪」 for the worst, 「ワースト」 for worst rankings, 「どん底」 for rock bottom. Antonyms: 「最上」, 「最高」.

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

1. 一番いちばん下した。