0
recondite
0
rough
0
severe
0
significant
0
sound
0
stiff
0
strenuous
0
taxing
0
thoughtful
0
three-dimensional
0
toilful
0
toilsome
0
tough
0
troublesome
0
two-dimensional
0
unarticulate
0
unfathomable
0
unfathomed
0
unlimited
0
unplumbed
13 years ago|7 views|share |citing 
APASmart Define. (2013). penetrant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/penetrant/thesaurus/related
ChicagoSmart Define. 2013. "penetrant thesaurus" https://smartdefine.org/penetrant/thesaurus/related (accessed September 26, 2026).
HarvardSmart Define 2013, penetrant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/penetrant/thesaurus/related>.
MLASmart Define. "penetrant thesaurus" 28 June 2013. Web. 26 September 2026. <https://smartdefine.org/penetrant/thesaurus/related>