100 Best Synonyms for “Important”

No.	Term	Definition
1.	A1	Highest priority or quality.
2.	Acclaimed	Widely praised and respected.
3.	Accurate	Correct and reliable in detail.
4.	Acute	Sharp, intense, or critical.
5.	Admirable	Worthy of respect and approval.
6.	Advantageous	Providing benefit or gain.
7.	Affecting	Having strong emotional impact.
8.	Aging	Gaining value with time.
9.	All-important	Of utmost significance.
10.	Appreciable	Noticeably significant or considerable.
11.	Big	Large in size or extent.
12.	Big-ticket	High-value or high-stakes.
13.	Binding	Legally or morally obligatory.
14.	Capital	Of prime importance; fundamental.
15.	Cardinal	Most important; chief.
16.	Central	At the core; key.
17.	Chief	Highest in rank or importance.
18.	Choice	Of superior quality or value.
19.	Climactic	Reaching the most intense point.
20.	Consequential	Having significant results or effects.
21.	Critical	Decisive; requiring urgent attention.
22.	Decisive	Settling an issue; conclusive.
23.	Defining	Shaping identity or character.
24.	Determinant	A deciding factor.
25.	Dire	Extremely serious or urgent.
26.	Distinguished	Notable and respected.
27.	Dominant	Most influential or controlling.
28.	Driving	Providing impetus or motivation.
29.	Earthshaking	Causing major change or impact.
30.	Eminent	Famous and respected in a field.
31.	Enduring	Lasting over time.
32.	Essential	Absolutely necessary.
33.	Esteemed	Highly regarded.
34.	Eventful	Marked by significant happenings.
35.	Exceptional	Unusually excellent or notable.
36.	Expedient	Helpful for a purpose.
37.	Fateful	Having momentous consequences.
38.	Foremost	Leading in importance or rank.
39.	Formative	Influential in development.
40.	Foundational	Serving as a base.
41.	Fundamental	Basic and necessary.
42.	Game-changing	Altering outcomes dramatically.
43.	Grave	Very serious; weighty.
44.	Great	Notably large or significant.
45.	Groundbreaking	Innovative and influential.
46.	Guiding	Providing direction or principles.
47.	High-priority	Requiring immediate attention.
48.	Historic	Significant in history.
49.	Hot-button	Likely to provoke strong reactions.
50.	Imperative	Absolutely necessary; urgent.
51.	Influential	Able to affect decisions or actions.
52.	Instrumental	Serving as a means to achieve.
53.	Key	Crucial to understanding or success.
54.	Killer	Extremely effective or decisive.
55.	Knockout	Strikingly impressive or decisive.
56.	Landmark	Notably important turning point.
57.	Leading	Most important; foremost.
58.	Linchipin	Essential person or thing.
59.	Linchpin	Essential person or thing.
60.	Major	Greater in importance or scope.
61.	Material	Relevant and significant.
62.	Meaningful	Having purpose or significance.
63.	Memorable	Worth remembering; notable.
64.	Momentous	Of great importance or consequence.
65.	Monumental	Massively important or impressive.
66.	Necessary	Required; essential.
67.	Notable	Worthy of attention.
68.	Noteworthy	Deserving notice or mention.
69.	Objective	A valued aim or goal.
70.	Obligatory	Required by rule or duty.
71.	Outstanding	Exceptionally good or prominent.
72.	Paramount	More important than anything else.
73.	Pertinent	Relevant to the matter.
74.	Pivotal	Crucial to the outcome.
75.	Portentous	Significant; ominously important.
76.	Pressing	Requiring prompt action.
77.	Primary	First in order or importance.
78.	Prime	Of highest quality or importance.
79.	Principal	First in importance.
80.	Priority	Something requiring attention first.
81.	Profound	Deep in meaning or effect.
82.	Prominent	Standing out; widely noticed.
83.	Radical	Far-reaching; fundamental.
84.	Requisite	Necessary for a purpose.
85.	Respected	Held in high regard.
86.	Resulting	Having significant outcomes.
87.	Salient	Most noticeable or important.
88.	Serious	Not trivial; significant.
89.	Signal	Notably significant; key.
90.	Significant	Having meaning; important.
91.	Soaring	Rising greatly in importance.
92.	Stakes-high	Involving substantial risk or reward.
93.	Strategic	Important for long-term goals.
94.	Substantial	Considerable in amount or importance.
95.	Supreme	Highest in authority or importance.
96.	Telling	Revealing; strongly indicative.
97.	Top	Highest in rank or value.
98.	Top-priority	Most urgent or important.
99.	Urgent	Needing immediate action.
100.	Valuable	Worth much; useful.