シビアshibia

1. na-adjectivesevere; strict; tough; hard

• Synonym厳しいきびしいNeutralThe broadest term: covers strictness and severity, plus difficulty and intense cold. 「シビア」 is more colloquial, used mainly for harsh realities and judgments.
• Related厳格げんかくNeutralStrict and rigorous in attitude or manner, as in 「厳格な父」; centers on personal discipline rather than harsh facts or judgments.
• Related峻厳しゅんげんWrittenWritten, formal word for stern, harsh severity with an unforgiving, no-compromise feel; rare in speech.
• Related峻烈しゅんれつWrittenWritten word for severity with intensity, as in 「峻烈な批判」; stresses how fierce the criticism or attack is.
• Antonym甘いあまいNeutralAntonym: lenient or naive, as in 「見通しが甘い」; the opposite of being harsh and exacting.
• Antonym寛大かんだいNeutralAntonym: generous and broad-minded, not quick to fault others; contrasts with the harshness of 「シビア」.

「シビア」 is a loanword for harsh realities and unsparing judgments, as in 「シビアな現実」「シビアな判断」. For strictness in general use 「厳しい」; for a strict attitude 「厳格」. Antonyms: 「甘い」, 「寛大」.

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

1. 厳きびしい、厳格げんかくな。