Synonyms|230Antonyms|32|Broader|3Narrower|0Related|172

25 entries under compact topic. ×

16
impenetrable(adjective, close, hard, tough, solid)
7
close(adjective, set, hard, tough, solid)
7
dense(adjective, set, hard, tough, firm)
7
thick(adjective, close, set, hard, tough)
6
firm(adjective, close, hard, solid, fast)
4
hard(adjective, set, tough, firm, solid)
3
solid(adjective, close, set, hard, tough)
3
substantial(adjective, close, set, hard, tough)
2
compressed(adjective, set, hard, tough, firm)
2
concentrated(adjective, set, hard, tough, firm)
2
condensed(adjective, set, hard, tough, firm)
2
congested(adjective, close, solid, short, substantial)
2
consolidated(adjective, close, solid, short, substantial)
2
crowded(adjective, close, solid, short, substantial)
2
jam-packed(adjective, close, solid, short, substantial)
2
packed(adjective, close, solid, short, substantial)
1
close-grained(adjective, close, set, hard, tough)
1
short(adjective, close, solid, fast, substantial)
0
circumscribed(adjective, close, solid, short, substantial)
0
confined(adjective, close, solid, short, substantial)
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APASmart Define. (2015). impermeable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impermeable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impermeable thesaurus" https://smartdefine.org/impermeable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, impermeable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impermeable/thesaurus/synonyms>.
MLASmart Define. "impermeable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/impermeable/thesaurus/synonyms>