DICTIONARY.COM
THESAURUS.COM
MEANINGS
MEANINGS
Emoji
Slang
Acronyms
Pop Culture
Memes
Gender and Sexuality
Mixed-up Meanings
WORD GAMES
WORD GAMES
Quizzes
Crossword Solver
Scrabble Word Finder
Words With Friends Cheat
Daily Crossword Puzzle
LEARN
LEARN
Online Tutors
New Words
Word Trends
All About English
Science and Technology
Literature and Arts
WRITING
WRITING
Grammar Coach
Grammar Coach Pricing
Writing Prompts
Grammar 101
Writing Tips
Ways to Say It Better
WORD OF THE DAY
WORD OF THE DAY
Word of the Day
Synonym of the Day
Word of the Year
Word List
Account Settings
Subscriptions
Help Center
Sign Out
Thesaurus.com
SYNONYMS
DEFINITIONS
Search
MEANINGS
MEANINGS
Emoji
Slang
Acronyms
Pop Culture
Memes
Gender and Sexuality
Mixed-up Meanings
WORD GAMES
WORD GAMES
Quizzes
Crossword Solver
Scrabble Word Finder
Words With Friends Cheat
Daily Crossword Puzzle
LEARN
LEARN
Online Tutors
New Words
Word Trends
All About English
Science and Technology
Literature and Arts
WRITING
WRITING
Grammar Coach
Grammar Coach Pricing
Writing Prompts
Grammar 101
Writing Tips
Ways to Say It Better
WORD OF THE DAY
WORD OF THE DAY
Word of the Day
Synonym of the Day
Word of the Year
Thesaurus
/
know-it-all
know-it-all
SEE DEFINITION OF
know-it-all
WORDS RELATED TO
KNOW-IT-ALL
cockiest
adjective
self-assured
arrogant
brash
bumptious
certain
cocksure
conceited
confident
egotistical
hotdogger
hotshot
hubristic
know-it-all
lordly
nervy
overconfident
overweening
positive
presumptuous
self-confident
smart aleck
smart guy
smarty
smarty pants
sure
swaggering
swollen-headed
vain
wise guy
cocky
adjective
self-assured
arrogant
brash
bumptious
certain
cocksure
conceited
confident
egotistical
hotdogger
hotshot
hubristic
know-it-all
lordly
nervy
overconfident
overweening
positive
presumptuous
self-confident
smart aleck
smart guy
smarty
smarty pants
sure
swaggering
swollen-headed
vain
wise guy
cocky/cocksure
adjective
self-assured, full of oneself
arrogant
brash
bumptious
certain
conceited
confident
egotistical
hotdogging
hotshot
hubristic
know-it-all
lordly
nervy
overconfident
overweening
positive
presumptuous
self-confident
smart aleck
smart guy
smarty
smarty pants
sure
swaggering
swollen-headed
vain
wise guy
conceited
adjective
egotistical
arrogant
big talking
bigheaded
cocky
conceity
full of hot air
gall
ham
hot stuff
immodest
know-it-all
loudmouth
narcissistic
overweening
phony
puffed up
self-important
smart-alecky
snotty
stuck up
swollen-headed
vain
vainglorious
windbag
egghead
noun
intellectual
bluestocking
bookworm
brain
geek
genius
highbrow
know-it-all
longhair
rocket scientist
scholar
thinker
learned person
noun
educated person
bibliophile
bookman
bookwoman
brain
erudite person
intellectual
know-it-all
man or woman of learning
man or woman of letters
sage
savant
scholar
walking encyclopedia
more cocksure
adjective
self-assured, full of oneself
arrogant
brash
bumptious
certain
conceited
confident
egotistical
hotdogging
hotshot
hubristic
know-it-all
lordly
nervy
overconfident
overweening
positive
presumptuous
self-confident
smart aleck
smart guy
smarty
smarty pants
sure
swaggering
swollen-headed
vain
wise guy
more conceited
adjective
egotistical
arrogant
big talking
bigheaded
cocky
conceity
full of hot air
gall
ham
hot stuff
immodest
know-it-all
loudmouth
narcissistic
overweening
phony
puffed up
self-important
smart-alecky
snotty
stuck up
swollen-headed
vain
vainglorious
windbag
most cocksure
adjective
self-assured, full of oneself
arrogant
brash
bumptious
certain
conceited
confident
egotistical
hotdogging
hotshot
hubristic
know-it-all
lordly
nervy
overconfident
overweening
positive
presumptuous
self-confident
smart aleck
smart guy
smarty
smarty pants
sure
swaggering
swollen-headed
vain
wise guy
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
PREVIOUS
1
2
3
4
NEXT
WORD OF THE DAY
inextricably
adverb
|
[in-ik-
strik
-
uh
-blee ]
SEE DEFINITION
Boost Your
Vocab!