Synonym: increase, join, put together, sum up, total, unite. Antonym: subtract. Similar words: add up, added, add in, address, add up to, addition, additional, in addition. Meaning: [æd] 
n. a condition (mostly in boys) characterized by behavioral and learning disorders. v. 1. make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of 2. state or say further 3. bestow a quality on 4. make an addition by combining numbers 5. determine the sum of 6. constitute an addition.
n. a condition (mostly in boys) characterized by behavioral and learning disorders. v. 1. make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of 2. state or say further 3. bestow a quality on 4. make an addition by combining numbers 5. determine the sum of 6. constitute an addition. 
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151) Add one teaspoon of vanilla extract.
152) Add salt to correct the seasoning.
153) Remember to add in the cost of drinks.
154) Add cheese to the white sauce.
155) Mix the sand and cement together,(sentencedict.com/add.html) then add water.
156) If your soil is very acid, add lime.
157) Add a scarf for a casual effect.
158) Add two teaspoons of vanilla and stir.
159) Save a small amount each month; it'll soon add up.
160) Add in the lemon after mixing the flour and sugar.
161) These clues don't really add up to very much .
162) Add water to dilute the solution to the required strength.
163) Add the powder when the water is at boiling point.
164) If the tea is too strong, add some more water.
165) The fire will keep in if you add coal into it from time to time.
166) The function of an adjective is to describe or add to the meaning of a noun.
167) When the water boils add the meat and the cabbage.
168) Add 1 pt of water and bring to the boil.
169) If there is going to be a study group, please don't forget to add me in.
170) She likes to add a drop of brandy to her tea.
171) Their proposals do not add up to any real help for the poor.
172) Add the seasoning and bring the sauce to the boil .
173) Add a cashmere scarf under your jacket for a touch of glamour.
174) I should like to add a postscript to your obituary for John Cage.
175) Add water and mix with a knife to a doughy consistency.
176) I should like to add that we are pleased with the test result.
177) The decision to raise tariffs on imports will only add fuel to the fire.
178) You can add the fluid to the powder, or, conversely, the powder to the fluid.
179) I have important news for you good news, I hasten to add.
180) Have you sent that letter off yet? There's something I want to add to it.
More similar words: add up, added, add in, address, add up to, addition, additional, in addition, in addition to.