• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
Home of English Grammar
  • Home
  • Course
  • Exercises
  • Grammar Rules
  • Matches
  • Posts
  • Tools
    • Grammar Checker
    • Very Replacer
    • Word Counter
  • Vocabulary Lists
  • Archives
    • Social Media Posts
    • Writing Guides
  • Sign in
  • Join free

100 Best Synonyms for “Concern”

April 9, 2026

100 Best Synonyms for

No. Item Definition
1. affair matter of concern
2. alarm sudden fear or worry
3. anguish severe mental suffering
4. anxiety uneasy fear or nervousness
5. anxiousness state of being anxious
6. apprehension anxious anticipation of trouble
7. assignment task given to someone
8. attention notice and thought given
9. bone of contention source of dispute
10. bother cause worry or annoyance
11. brood think anxiously for long
12. burden something that weighs on you
13. burning issue urgent public concern
14. business matter to deal with
15. care serious attention or thought
16. caution care to avoid danger
17. charge duty entrusted to someone
18. circumspection careful consideration of risks
19. commitment promise or duty to do
20. consider think about carefully
21. consideration careful thought about something
22. consternation sudden confusion and worry
23. discretion careful judgment and restraint
24. disquiet uneasy feeling; disturbance
25. distress extreme worry or sorrow
26. disturb upset or worry
27. dread intense fear about the future
28. duty obligation to act
29. dwell on think about too much
30. eat at cause lingering worry
31. edginess tense, nervous feeling
32. fear feeling of being afraid
33. fixate focus on obsessively
34. focus center of attention
35. foresight ability to anticipate needs
36. forethought thinking ahead with care
37. fret worry or be anxious
38. gnaw at cause persistent worry
39. haunt keep troubling the mind
40. hazard source of possible harm
41. hot issue controversial current topic
42. interest stake or involvement
43. investment something you care about
44. irk annoy or bother
45. issue important matter to address
46. jitters nervous anxiety
47. key issue central matter
48. loom seem threatening or worrying
49. major issue important problem
50. matter thing of importance
51. menace threatening danger
52. mind care about; be bothered by
53. misgiving doubt or anxious feeling
54. mull over think about for a while
55. nag cause persistent worry
56. nagging doubt persistent uncertain worry
57. nervousness anxious or uneasy feeling
58. obligation something you must do
59. obsess think about constantly
60. obsession persistent, intrusive concern
61. perturbation state of being worried
62. point detail needing attention
63. ponder think about carefully
64. preoccupation something you think about a lot
65. priority most important matter
66. problem matter needing attention
67. prudence wise caution
68. qualm uneasy feeling of doubt
69. question point needing consideration
70. red flag warning sign of trouble
71. regard consider with attention
72. reservation doubt or hesitation about something
73. responsibility duty you must handle
74. risk possibility of loss or harm
75. ruminate think about repeatedly
76. solicitude care and concern for others
77. stake personal involvement or risk
78. stew worry and dwell on
79. strain pressure causing worry
80. stress mental pressure or worry
81. subject topic under discussion
82. task piece of work to do
83. tension mental strain or anxiety
84. theme main subject or idea
85. thing something being discussed
86. topic matter being talked about
87. trepidation fearful uncertainty
88. trouble something causing worry
89. trust responsibility placed in you
90. unease mild anxiety or discomfort
91. uneasiness state of being uneasy
92. unsettle make uneasy or worried
93. vex annoy or worry
94. vigilance careful watch for danger
95. wariness cautious watchfulness
96. warning sign signal of possible trouble
97. watchfulness alert attention to risks
98. weigh on cause ongoing worry
99. worry anxious thought or feeling
100. worrying causing anxiety

Improve your English grammar, vocabulary and writing

We take you step by step from beginner to advanced, even if you struggled with English at school or have always had trouble remembering the rules.

  • 10 modules, 112 lessons and 730 questions
  • Just log in and learn anytime and anywhere
  • Your progress is saved in your account
  • Download the 2027 Grammar Guide (PDF)
Join free

Already have an account? Sign in

See what’s in the course

Primary Sidebar

2.4M760.9K165.9K

Free 2027 Grammar Guide

  • Download Grammar Guide (PDF)
  • Online grammar course, A1 to C2
  • Weekly exercises and vocabulary
  • Join over 3 million English learners

We respect your privacy. Unsubscribe anytime.

Already have an account? Sign in

Grammar Checker - Try Now

Matches Rankings

    No results yet. Be the first to finish today’s Daily.

      No results yet. Be the first to finish today’s Daily.

        No results yet. Be the first to finish today’s Daily.

          No results yet. Be the first to finish today’s Daily.

          Play Matches

          Latest Posts

          • 100 Best Synonyms for “Informative” November 4, 2026
          • 100 Best Synonyms for “Revel” November 4, 2026
          • 100 Best Synonyms for “Issues” November 4, 2026
          • Apparent vs. evident: seeming or clear? November 4, 2026
          • 100 Best Synonyms for “Wanted” November 4, 2026
          • 100 Best Synonyms for “Influenced” November 4, 2026
          • 100 Best Synonyms for “Retrieve” November 4, 2026
          • Hairdresser Vocabulary Exercise November 4, 2026
          • Must and Have To for Obligation Exercise November 4, 2026
          • 100 Best Synonyms for “Chic” November 4, 2026
          Home of English Grammar

          Free English grammar exercises, rules and vocabulary lists, with new exercises every week. Join the leading English grammar site with over 3 million followers.

          Join free

          Learn

          • Exercises
          • Matches
          • Grammar rules
          • Vocabulary lists
          • Writing guides
          • Online tools

          More

          • Top social media posts
          • Various posts
          • Contact

          Account

          • Join free
          • Grammar Course
          • Free grammar guide (PDF)

          Copyright © 2026 EnglishGrammar.org

          • Disclaimer
          • Privacy policy
          • Terms
          • Sitemap