1
grueling(adjective, tough, difficult, awkward, grim)
1
hassle(noun, challenge, struggle, match, examination)
1
heavy(adjective, tough, severe, difficult, violent)
1
heuristic
1
hit-or-miss
1
hit and miss(expression, idiom)
1
identification(noun, connection, link, association, relation)
1
indagative
1
inspecting
1
inspection
1
inspectional
1
inspectorial
1
interrogation
1
intractable(tough, problematic, trying)
1
investigational
1
investigatory
1
juxtaposition(noun, connection, link, association, relation)
1
laddering
1
learn
1
leavening
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APASmart Define. (2015). testing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/testing/thesaurus/synonyms
ChicagoSmart Define. 2015. "testing thesaurus" https://smartdefine.org/testing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, testing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/testing/thesaurus/synonyms>.
MLASmart Define. "testing thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/testing/thesaurus/synonyms>