3. (3) lower, depress -- (cause to drop or sink; "The lack of rain had depressed the water level in the reservoir")
4. (1) turn down, lower, lour -- (make lower or quieter; "turn down the volume of a radio")
5. frown, glower, lour, lower -- (look angry or sullen, wrinkle one's forehead, as if to signal disapproval)
Overview of adj low
The adj low has 11 senses (first 6 from tagged texts)
1. (58) low -- (less than normal in degree or intensity or amount; "low prices"; "the reservoir is low")
2. (23) low -- (literal meanings; being at or having a relatively small elevation or upward extension; "low ceilings"; "low clouds"; "low hills"; "the sun is low"; "low furniture"; "a low bow")
3. (11) low, low-toned -- (very low in volume; "a low murmur"; "the low-toned murmur of the surf")
4. (6) low -- (unrefined in character; "low comedy")
5. (4) low, low-pitched -- (used of sounds and voices; low in pitch or frequency)
6. (3) abject, low, low-down, miserable, scummy, scurvy -- (of the most contemptible kind; "abject cowardice"; "a low stunt to pull"; "a low-down sneak"; "his miserable treatment of his family"; "You miserable skunk!"; "a scummy rabble"; "a scurvy trick")
7. humble, low, lowly, modest, small -- (low or inferior in station or quality; "a humble cottage"; "a lowly parish priest"; "a modest man of the people"; "small beginnings")
8. depleted, low -- (no longer sufficient; "supplies are low"; "our funds are depleted")
9. broken, crushed, humbled, humiliated, low -- (subdued or brought low in condition or status; "brought low"; "a broken man"; "his broken spirit")
10. blue, depressed, dispirited, down, downcast, downhearted, down in the mouth, low, low-spirited -- (low in spirits; "lonely and blue in a strange city"; "depressed by the loss of his job"; "a dispirited and resigned expression on her face"; "downcast after his defeat"; "feeling discouraged and downhearted")
11. first, low -- (being the gear producing the lowest drive speed; "use first gear on steep hills")