402 entries under adjective topic. ×

15
huge(great, big, substantial, large)
15
sweeping(open, great, complete, spread)
15
enormous(great, big, large, huge)
15
extended(clear, free, big, space)
15
thorough(complete, fancy, top, total)
14
wide-ranging(complete, total, big, full)
13
exhaustive(great, complete, top, full)
13
massive(great, big, substantial, large)
12
long(time, great, big, deep)
11
gargantuan
11
full(open, great, complete, top)
11
copious(great, top, big, substantial)
11
gigantic(great, big, large, huge)
11
global(complete, distant, remote, universal)
11
titanic(strong, powerful, huge, vast)
10
all-encompassing(complete, total, big, substantial)
10
colossal(great, big, large, huge)
10
considerable(great, big, significant, substantial)
10
mammoth(large, huge, vast, immense)
10
sizable(open, great, big, substantial)
10 years ago|27k views|share |citing 
APASmart Define. (2016). extensive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extensive/thesaurus/synonyms
ChicagoSmart Define. 2016. "extensive thesaurus" https://smartdefine.org/extensive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, extensive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extensive/thesaurus/synonyms>.
MLASmart Define. "extensive thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/extensive/thesaurus/synonyms>