up on

ADJECTIVE

au courant

Synonyms

WEAK

abreast of aware cognizant current enlightened hip informed knowledgeable up to speed up-to-date up-to-the-minute well-informed

ADJECTIVE

au fait

Synonyms

WEAK

au courant expert skillful up to snuff well instructed wise to

ADJECTIVE

aware

Synonyms

STRONGEST

alive appreciative apprehensive attentive awake cognizant conscious familiar informed mindful receptive wise

WEAK

acquainted alert appraised apprised au courant cool enlightened go-go groovy grounded heedful hip in the know in the picture into know the score know what's what know-how knowing latched on on the beam on to perceptive plugged in savvy sensible sentient sharp tuned-in wise to wised up with it

Antonyms

STRONGEST

heedless ignorant inattentive neglectful unaware unconscious unfamiliar unfriendly uninformed unknowledgeable

WEAK

insensitive

ADJECTIVE

cognizant

Synonyms

STRONGEST

apprehensive conscious informed judicious knowledgeable observant

WEAK

acquainted alive au courant awake conversant down with familiar grounded hep to hip to in on in the know in the picture knowing on the beam on to perceptive plugged in savvy sensible sentient tuned-in versed wise to with it witting

Antonyms

STRONGEST

ignorant indifferent senseless thoughtless unaware uninformed unmindful

WEAK

unfamiliar unknowledgeable unwitting

ADJECTIVE

familiar

Synonyms

STRONGEST

acquainted aware conversant

STRONG

savvy versant

WEAK

abreast apprised at home with au courant au fait cognizant conscious grounded in on in the know informed introduced kept posted mindful no stranger to plugged in tuned-in up versed in well up in with it

Antonyms

STRONGEST

ignorant

WEAK

aloof cold cool distant foreign new reserved strange unacquainted unapproachable uncommon undistinguished unfamiliar unfriendly unknowledgeable unknown unremarkable

ADJECTIVE

informed

Synonyms

STRONGEST

abreast knowledgeable learned

STRONG

acquainted apprized briefed enlightened posted primed savvy up versed

WEAK

au courant au fait erudite expert familiar in the know into know the score know what's what on top of reliable tuned-in up-to-date versant well-read wise to

Antonyms

STRONGEST

ignorant uninformed

WEAK

unaware unknowledgeable

ADJECTIVE

prepared

Synonyms

STRONGEST

able adapted arranged groomed inclined planned processed qualified willing

STRONG

adjusted disposed fit fixed framed minded predisposed primed rehearsed rigged set stacked up wired

WEAK

all bases covered all set all systems go available gaffed handy in order in readiness of a mind on guard prepped psyched-up set-up sewed-up

Antonyms

STRONGEST

unable

STRONG

disinclined indefinite unfixed unwilling

WEAK

ignorant neglectful unprepared unready

ADJECTIVE

shrewd

Synonyms

STRONGEST

astute cagey canny crafty farsighted ingenious judicious keen penetrating perceptive probing prudent sensible sharp slick sly smart wily wise

WEAK

acute argute artful astucious brainy calculating cunning cutting deep discerning discriminating foxy heady in the know inside knowing on the inside on top of perspicacious piercing profound quick-witted sagacious savvy shark slippery smooth streetwise tricky underhand wised up

Antonyms

STRONGEST

blunt dull foolish honest idiotic ignorant inept obtuse senseless slow stupid unclever unintelligent unreasonable unstylish unwise

WEAK

frivolous naive unthinking

ADJECTIVE

versant

Synonyms

STRONG

savvy versed

WEAK

abreast acquainted apprised at home with au courant au fait aware cognizant conscious conversant grounded in on in the know informed introduced kept posted mindful no stranger to plugged in tuned-in up versed in well up in with it

ADJECTIVE

versed

Synonyms

STRONGEST

acquainted competent conversant knowledgeable practiced proficient skilled

STRONG

accomplished familiar learned qualified savvy seasoned trained up versant veteran

WEAK

abreast au courant au fait in the know practical tuned-in well-informed

Antonyms

STRONGEST

ignorant incompetent inept unable

STRONG

inexperienced unskilled

WEAK

green immature

ADJECTIVE

with it

Synonyms

WEAK

alive apprehensive au courant awake aware chic conscious cool familiar groovy hep to hip to in in fashion in on in the know in vogue informed knowing knowledgeable latest mod now observant on to perceptive plugged in savvy switched on trendy tuned-in versed wise to

ADVERB

atop

Synonyms

WEAK

onto

Antonyms

WEAK

under

VERB

engross

Synonyms

STRONGEST

bewitch captivate enrapture enthrall fascinate immerse preoccupy

STRONG

absorb apply arrest assimilate attract busy consume corner engage engulf fill grip hog involve monopolize occupy soak

WEAK

be hung become lost sew up take up

Antonyms

STRONGEST

bore disenchant disgust offend repel tire turn off

STRONG

eject let go misunderstand not use reject release surrender yield

WEAK

forget ignore repulse

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“What I fear for is the cashier on South Greeley Highway that’s working at Safeway, that’s going to get priced out as soon as their lease comes up on their rental,” he said.

From The Wall Street Journal • Jun. 9, 2026

Jamie, both you and Linda have been acting since you were quite young and, in some ways, have grown up on camera.

From Los Angeles Times • Jun. 9, 2026

Crowds that had gathered outside the gates have now cleared, with three police cars parked up on Plant Hill Road.

From BBC • Jun. 9, 2026

South Korea should not give up on North Korea's denuclearisation, President Lee Jae Myung said Monday, as China's President Xi Jinping arrived in Pyongyang for a two-day visit.

From Barron's • Jun. 8, 2026

He swung up on the flatcar and commenced feeding stove lengths into the Agitator.

From "The Teacher’s Funeral" by Richard Peck

up on

Example Sentences

Related Words