2
overturn(verb, cross, frustrate, blank, thwart)
2
perturb(verb, upset, trouble, disorder, bother)
2
perturbation
2
puzzlement
2
refute(verb, cross, frustrate, blank, thwart)
2
riddle
2
scramble(disorder, disturb, difficulty, confuse, jumble)
2
shake(verb, upset, bother, disturb, shock)
2
shame(verb, upset, trouble, bother, disturb)
2
spike
2
squash(verb, cross, frustrate, blank, thwart)
2
startle(verb, shock, confuse, shake, confound)
2
stonewall(block, hinder, impede, obstruct, frustrate)
2
throw off(verb, expression, upset, trouble, disorder)
2
undermine(upset, depress, alarm, extinguish, dishearten)
2
unhinge(verb, upset, trouble, bother, disturb)
2
unnerve(verb, upset, bother, disturb, shock)
2
unsettle(verb, upset, trouble, disturb, obscure)
1
abecedarian
1
affright(verb, upset, bother, disturb, shock)
11 years ago|10k views|share |citing 
APASmart Define. (2015). nonplus thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/nonplus/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonplus thesaurus" https://smartdefine.org/nonplus/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, nonplus thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/nonplus/thesaurus/synonyms>.
MLASmart Define. "nonplus thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/nonplus/thesaurus/synonyms>