1
ghastly
1
gloomy(adjective, hard, severe, offensive, uncertain)
1
hard(severe, offensive, distressing, upsetting, disturbing)
1
heavy
1
horrible
1
importunate
1
importune
1
infuriating
1
irking
1
laborious(hard, severe, offensive, distressing, upsetting)
1
maddening
1
perplexing(hard, severe, offensive, awkward, uneasy)
1
pestering
1
pestilent
1
pestilential
1
plaguesome
1
plaguey
1
plaguing
1
severe(adjective, hard, offensive, gloomy, uncertain)
1
sorry
11 years ago|5.3k views|share |citing 
APASmart Define. (2015). worrisome thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/worrisome/thesaurus/synonyms
ChicagoSmart Define. 2015. "worrisome thesaurus" https://smartdefine.org/worrisome/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, worrisome thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/worrisome/thesaurus/synonyms>.
MLASmart Define. "worrisome thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/worrisome/thesaurus/synonyms>