Slope  /sləʊp/  

Noun, Verb

Synonyms: Incline, slant, tilt, hill, declivity, decline, pitch
Antonyms: Level, even, adjust, acme

Hindi: ढाल
Punjabi: ਢਲਾਨ

Meaning:

1. A surface of which one end or side is at a higher level than another; a rising or falling surface.

2. (Of a surface or line) be inclined from a horizontal or vertical line; slant up or down.

Plural noun: Slopes.

Verb forms: Slope, Sloped, Sloped.

Sentence:

1. He slithered helplessly down the slope.