The land around here is flat.
This road is flat and easy to walk on.
人生は平坦な道ばかりではない。
Life is not always a smooth path.
calm; peaceful; uneventful; trouble-free
Describes a state or situation that is calm, peaceful, and without trouble or excitement. Often used for uneventful periods or a tranquil state of mind.
試験が終わって気分が平坦になった。
After the exam, my mind became calm.
平坦な毎日を過ごしている。
I'm spending uneventful days.
彼の人生は平坦だったわけではない。
His life was not exactly smooth and uneventful.
I rode my bicycle along a flat road.
Construction work was carried out to level the land with heavy machinery.
穏やか describes a calm or gentle atmosphere, personality, or weather, whereas 平坦 in its second sense stresses the absence of trouble or excitement rather than gentleness.
単調 describes a life or process as monotonous and boring, while 平坦 in the same context just means uneventful and trouble-free, without the negative connotation of boredom.
平坦 is a native Japanese adjective for a flat or level surface, while フラット is the loanword version often used in more casual or technical contexts.
起伏 refers to ups and downs, whether in terrain or in a life or career, directly contrasting with the flatness or evenness described by 平坦.
険しい describes steep, rugged terrain, the opposite of the smooth, level ground described by 平坦.
波乱 describes turbulence or dramatic ups and downs in events or a life story, the opposite of the calm, uneventful state described by 平坦.
平坦 describes a flat, even surface, the direct opposite of the bumpy unevenness described by 凹凸.
水平 means 'horizontal' (level with the horizon or a reference line), while 平坦 means 'flat, without bumps', so a surface can be 平坦 without being perfectly 水平.
平坦 is a na-adjective meaning 'flat, even' describing a quality, while 平地 is a noun naming the flat land itself.
Standard kanji spelling.
Search-only mixed kanji-kana form.
From 平 (flat) + 坦 (level, smooth). The kanji 坦 is not a jōyō kanji, which may explain the search-only mixed forms.