平野|へいやheiya[0]heiban (flat)
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- nounplain; open field
- Synonym平原へいげんWrittenA word of written/formal prose for a vast, flat plain, with a sense of sweeping openness; 「平野」 is more common and is the term used in geographic names.
- Related広野こうやWrittenA literary word for a broad, open field or wilderness, with a poetic flavor.
- Antonym山地さんちNeutralA neutral word for mountainous terrain — land with many mountains, the opposite of flat 「平野」.
Use 「平野」 for a large stretch of flat land, as in 「関東平野」 and 「広大な平野」; it is the default and the term used in geographic names. For a vast open plain or wilderness, the written/literary choices are 「平原」 and 「広野」, as in 「シベリア平原」. For mountains, use 「山地」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


