The land around here is flat.
This road is flat and easy to walk on.
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.
After the exam, my mind became calm.
I'm spending uneventful days.
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.
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.