thickening

noun

thick·​en·​ing ˈthi-kə-niŋ 

ˈthik-

1

: a thickened part or place

2

: the act of making or becoming thick

3

: something used to thicken

Examples of thickening in a Sentence

Recent Examples on the Web

So the addition of tea tree oil and mint, which notably can relieve dryness and itch while improving overall scalp health, rounds out the formula to help deliver those hair-thickening results. —Erika Reals, InStyle, 16 Feb. 2026

That said, plenty of rice pudding recipes call for cooked rice, which means the extra thickening power from eggs is necessary. —Robin Miller, AZCentral.com, 13 Feb. 2026

Frozen grapes are a treat as all-natural mini ice pops, dilution-free ice cubes for drinks, or toss them into any smoothie recipe for extra sweetness and thickening power. —Karla Walsh, Better Homes & Gardens, 30 Jan. 2026

Use full-fat coconut milk that does not contain additives or thickening agents — Riggs likes Trader Joe’s Organic Coconut Milk or Native Forest Organic Coconut Milk Simple. —CNN Money, 24 Jan. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for thickening

• quickening
• sickening

Kids Definition

thickening

noun

thick·​en·​ing

1

: the act of making or becoming thick

underwent a gradual thickening

2

: a thickened part or place

3

: something used to thicken