foothill

foothill — noun

1. a low hill that stands in the region where a tall mountain's steep sides begin t

1.nounB1
Definition

a low hill that stands in the region where a tall mountain's steep sides begin to level out into the plains or lowlands around it

Example

The hikers rested at the foothill before attempting the final climb to the summit.

singular use: 'at the foothill' as a specific location

Romi's family owns a small tea plantation in the foothills of the Andes.

plural: 'the foothills of [mountain range]'

Common collocations
  • in the foothills
  • the foothills of the [mountain range]
  • wooded foothills
  • gentle foothills
  • foothill village
  • foothill town
  • nestled in the foothills
Synonyms
  • hill

    a general term for any raised landform; 'foothill' specifies position at the base of a mountain

  • lower slope

    emphasises the continuing side of the mountain rather than a separate hill at its base

  • piedmont

    formal geographic term for the area at the foot of a mountain range; rare in everyday English

Antonyms
  • summit

    the highest point of a mountain — opposite end of the mountain slope

  • peak

    the pointed top of a mountain — geographically opposite from the foothill region

Grammar Patterns

the [plural] foothills of [mountain range]

Usage Note

The plural form 'foothills' is far more common than the singular, especially when describing a region — you would normally say 'the foothills of the Alps,' not 'the foothill of the Alps.' Use the singular only when referring to one specific, individual hill.

Common Mistakes

We drove through the foot of the mountain region.
We drove through the foothills.
'foot of the mountain' refers to the very base itself, while 'foothills' refers to the hilly area further out.
There are many hills at the foothill of the range.
There are many hills in the foothills of the range.
even when describing multiple hills, the region is referred to in the plural.
The tree line started at the foothill.
The tree line started in the foothills.
geographic zones are typically described with the plural form in standard English.

Word family

  • foothills
    noun (plural)B1

Synonym discussion

Sense: noun/1

'Foothill', 'hill', 'lower slope', and 'piedmont' all refer to raised land, but at different positions on a mountain landscape. A 'hill' is any elevated landform and carries no positional relationship to a mountain — you can have hills anywhere. A 'foothill' is a specific type of hill located at the base of a mountain range; it forms part of the transition zone. 'Lower slope' is not a separate hill but the lower part of the mountain itself, still attached to the main body. 'Piedmont' is a technical geographic term for the entire region at the foot of a range and is rarely used in everyday conversation. When describing a small farming settlement in a mountainous area, you would say 'a village in the foothills' (plain English) or 'a village in the Piedmont region' (formal geography).

foothillhilllower slopepiedmont

Common collocations

Nouns

  • region
  • area
  • village
  • town
  • slope
  • trail

Phrases

  • at the foot of
  • nestled in
  • stretching across

Prepositions

  • in
  • of
  • through

Etymology

Old EnglishMiddle EnglishEnglish

A compound word formed from Old English 'fōt' (foot) and 'hyll' (hill), literally meaning 'hill at the foot of a mountain.' First recorded in English around the mid-19th century, though the concept had earlier expressions such as 'foot of the mountain.' The word's structure transparently describes its meaning: just as a person's foot is at the bottom of the body, a foothill sits at the bottom of a mountain.