I. verb
1.
to make greater or more numerous
increase crops by good cultural practices
Synonyms: aggrandize, augment, beef (up), boost, build, compound, enlarge, expand, extend, heighten, magnify, manifold, multiply, plus, push
Related Word: aggravate, enhance, intensify; amplify, dilate, distend, inflate, swell; elongate, lengthen, prolong, protract; reinforce, strengthen
Contrasted words: abate, abbreviate, condense, contract; depreciate, diminish, lessen, lower, reduce; curtail, shorten, shrink; minimize
Antonyms: decrease
2.
to become greater or more numerous
his wealth increased over the years
Synonyms: augment, build, burgeon, enlarge, expand, heighten, mount, multiply, rise, run up, snowball, upsurge, wax
Related Word: dilate, distend, inflate, intensify, lengthen, strengthen, swell; pullulate, swarm, teem
Contrasted words: abate, condense, contract, diminish, lessen, lower, reduce, shorten, shrink; die off, die (out), end, terminate
Antonyms: decrease
3.
Synonyms: raise 9, boost, hike, jack (up), jump, put up, up
II. noun
1.
Synonyms: addition , accession, accretion, augmentation, increment, raise, rise
Antonyms: decrease
2.
Synonyms: rise 3, boost, breakthrough, hike, upgrade, wax