verb
1.
Synonyms: open 4, extend, fan (out), outspread, outstretch, spread, unfold
2.
Synonyms: increase 1, aggrandize, augment, beef (up), boost, enlarge, extend, heighten, magnify, multiply
3.
to increase or become increased in bulk, volume, or size
water expands when heated
Synonyms: amplify, dilate, distend, inflate, swell
Related Word: grow; bulk (up), enlarge, fill (out); bolster; mushroom, ||plim, puff (up)
Contrasted words: condense, decrease, deflate, shrink, shrivel; dwindle, lessen
Antonyms: contract
4.
to express more fully and in greater detail
expanded his notes into an essay
Synonyms: amplify, develop, elaborate, enlarge
Related Word: detail, explicate; augment; discourse, expatiate
Contrasted words: compress, condense, contract
Antonyms: abridge
5.
Synonyms: increase 2, augment, build, enlarge, heighten, mount, multiply, rise, upsurge, wax
6.
Synonyms: escalate 2, grow
Related Word: prolong, protract
Contrasted words: de-escalate; circumscribe
Antonyms: limit, restrict