substantial
adjective. important, ample
- abundant
- big
- big-deal
- bulky
- consequential
- considerable
- durable
- extraordinary
- firm
- generous
- goodly
- heavy
- heavyweight
- hefty
- key
- large
- major-league
- massive
- material
- meaningful
- momentous
- plentiful
- principal
- serious
- significant
- sizable
- solid
- sound
- stable
- steady
- stout
- strong
- sturdy
- superabundant
- tidy
- valuable
- vast
- weighty
- well-built
- worthwhile
troublous
adjective. disturbing
- aggravating
- agitating
- alarming
- annoying
- bothersome
- burdensome
- consequential
- creepy
- depressing
- difficult
- disagreeable
- discomforting
- discommoding
- discomposing
- disconcerting
- discouraging
- dismaying
- disquieting
- disruptive
- distressful
- distressing
- embarrassing
- foreboding
- frightening
- gloomy
- harassing
- hard
- impeding
- inconvenient
- intrusive
- irksome
- irritating
- laborious
- ominous
- onerous
- painful
- perplexing
- perturbing
- pessimistic
- prophetic
- provoking
- severe
- sinister
- startling
- threatening
- tiresome
- toilsome
- troublesome
- troubling
- trying
- uncertain
- unpleasant
- unsettling
- upsetting
- vexing
- wearisome
- worrisome
- worrying
unsettling
adjective. disturbing
- aggravating
- agitating
- alarming
- annoying
- bothersome
- burdensome
- consequential
- creepy
- depressing
- difficult
- disagreeable
- discomforting
- discommoding
- discomposing
- disconcerting
- discouraging
- dismaying
- disquieting
- disruptive
- distressful
- distressing
- embarrassing
- foreboding
- frightening
- gloomy
- harassing
- hard
- impeding
- inconvenient
- intrusive
- irksome
- irritating
- laborious
- ominous
- onerous
- painful
- perplexing
- perturbing
- pessimistic
- prophetic
- provoking
- severe
- sinister
- startling
- threatening
- tiresome
- toilsome
- troublesome
- troubling
- troublous
- trying
- uncertain
- unpleasant
- upsetting
- vexing
- wearisome
- worrisome
- worrying
upsetting
adjective. disturbing
- aggravating
- agitating
- alarming
- annoying
- bothersome
- burdensome
- consequential
- creepy
- depressing
- difficult
- disagreeable
- discomforting
- discommoding
- discomposing
- disconcerting
- discouraging
- dismaying
- disquieting
- disruptive
- distressful
- distressing
- embarrassing
- foreboding
- frightening
- gloomy
- harassing
- hard
- impeding
- inconvenient
- intrusive
- irksome
- irritating
- laborious
- ominous
- onerous
- painful
- perplexing
- perturbing
- pessimistic
- prophetic
- provoking
- severe
- sinister
- startling
- threatening
- tiresome
- toilsome
- troublesome
- troubling
- troublous
- trying
- uncertain
- unpleasant
- unsettling
- vexing
- wearisome
- worrisome
- worrying
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.