condense

1 to become smaller in size or volume through the drawing together of particles of matter over time the once-fluffy material in the pillow had condensed into a lumpy wad Synonyms compress, contract, constrict, shrinkRelated Words collapse, deflate, flatten; dry up, shrivel, wilt, wither; abate, decrease, diminish, dwindle, lessen; recede, retreat, withdrawNear Antonyms accumulate, grow, increase; balloon, inflate, puff (up)Antonyms balloon, expand, snowball, swell

2 to reduce in size or volume by or as if by pressing parts or members together condense the information into as brief a report as possible Synonyms capsule, capsulize, collapse, compact, compress, constrict, constringe, contract, narrow (down), squeeze, telescopeRelated Words cram, crowd, jam, jam-pack, pack; abbreviate, abridge, curtail, shorten; boil down, downsize, shrink; concentrate, consolidate; simplify, streamline; decrease, diminish, lessenNear Antonyms dilate, disperse, dissipate, scatter; distend, inflate, swellAntonyms decompress, expand, open, outspread, outstretch

3 to increase the amount of (a substance in a mixture) by removing other substances added condensed milk to the mix Synonyms concentrateRelated Words clarify, clean, cleanse, distill (also distil), flush, leach, purge, purify, refine; boil down, decoct, reduce; compact, harden, solidify; deepen, enhance, heighten, intensify; evaporate, extract, remove; enrich, fortify, richen, strengthen; reconcentrate, recondenseNear Antonyms adulterate, cut, thin, weakenAntonyms dilute, water (down)