急傾斜(きゅうけいしゃ)

A compound of 急(きゅう) (steep, sudden) and 傾斜(けいしゃ) (slope, incline, tilt). Often appears in disaster prevention (防災(ぼうさい)) contexts, as steep slopes are prone to landslides and mudflows during heavy rain.

Japan's mountainous terrain means 急傾斜地(きゅうけいしゃち) (steep slope areas) are officially designated and monitored under the 急傾斜地崩壊対策事業(きゅうけいしゃちほうかいたいさくじぎょう) (Steep Slope Collapse Countermeasure Program).

Common collocations

• 急傾斜地(きゅうけいしゃち): steep slope area
• 急傾斜(きゅうけいしゃ)の斜面(しゃめん): steeply inclined hillside
• 急傾斜(きゅうけいしゃ)を下(くだ)る: to descend a steep slope
• 急傾斜(きゅうけいしゃ)崩壊(ほうかい): steep slope collapse

Similar words

• 傾斜(けいしゃ): slope, incline — the general term without implying steepness
• 急坂(きゅうざか): steep hill — a steep hill on a road, more colloquial
• 崖(がけ): cliff — a near-vertical drop, steeper than 急傾斜(きゅうけいしゃ)