Find 253 different ways to say INCREASE, along with antonyms, related words, and example sentences at Thesaurus.com. The meaning of INCREASE is to become progressively greater (as in size, amount, number, or intensity). How to use increase in a sentence. Synonym Discussion of Increase. Increase usually refers to a growth in number, size, or amount and is often seen in more formal contexts. In contrast, rise suggests a movement upwards, and is commonly used for things like temperatures, levels, or natural phenomena. Percentage increase calculator calculates the increase of one value to the next in terms of percent. INCREASE definition: to make greater, as in number, size, strength, or quality; augment; add to. See examples of increase used in a sentence. 1. to make greater, as in number, size, strength, or quality; augment: to increase one's knowledge. 2. to become greater, as in number, size, strength, or quality. 3. to multiply by propagation. n. 4. growth or augmentation in size, strength, or quality. 5. the act or process of increasing. Percentage increase calculator finds the increase from one value to another as a percentage of the first value. Shows you how to find percentage increase with percent increase formula. Whether you are tracking sales growth, price changes, investment returns, or any other metric, understanding percentage increase is essential. This calculator instantly shows you the percentage change between any two values, plus helpful extras like the multiplier and actual difference. The noun increase indicates growth of something that gets bigger in number or volume. When used as a verb, it means the act of growing or gaining more. However it's used, it refers to something that has gotten bigger. Anything that can add on can increase. INCREASE definition: 1. to become larger in amount or size, or to make something do this: 2. a rise in the amount or…. Learn more.