Synonyms for Compact (same or very similar meaning)
WordNet sense 1 (a signed written agreement between two or more parties (nations) to perform some action):
concordat, covenant
WordNet sense 2 (a small and economical car):
compact car
WordNet sense 3 (a small cosmetics case with a mirror; to be carried in a woman's purse):
powder compact
WordNet sense 4 (have the property of being packable or of compacting easily):
pack
WordNet sense 5 (compress into a wad):
bundle, wad
WordNet sense 6 (make more compact by or as if by pressing):
compress, compress, pack together
WordNet sense 7 (squeeze or press together):
constrict, contract, press, squeeze, contract
WordNet sense 8 (heavy and compact in form or stature):
heavyset, stocky, thick, thickset
WordNet sense 9 (having much flesh (especially fat)):
fat
WordNet sense 10 (briefly giving the gist of something):
compendious, succinct, summary
WordNet sense 11 (expressing much in few words):
concise
WordNet sense 12 (having component parts closely crowded together):
dense
WordNet sense 13 (gathered together or made less diffuse):
concentrated
WordNet sense 14 (packed closely together):
tight
WordNet sense 15 ((especially of rows as of troops or mountains) pressed together):
serried
WordNet sense 16 (pressed together or compressed):
packed
WordNet sense 17 ((used of soil) compact and fine-grained):
heavy
From the ODE community, based on WordNet
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