Definitions

switched on

[swicht-on, -awn] / ˈswɪtʃtˈɒn, -ˈɔn /

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alert adj.
open-eyed adj.
sophisticated adj.
with it adj.

ADJECTIVE

alert

Synonyms

STRONGEST

active bright careful intelligent observant perceptive sharp vigilant wary watchful wired wise

STRONG

hip jazzed quick ready spirited

WEAK

all ears cagey circumspect clever fast on the draw good hands heads up heedful on guard on one's toes on the ball on the job on the lookout on the qui vive psyched-up wide-awake with it

Antonyms

STRONGEST

careless dull foolish ignorant inattentive incautious indifferent indiscreet lazy negligent stupid thoughtless unaware unintelligent unobservant

STRONG

slow uneducated

WEAK

asleep drowsy lethargic sluggish weary

ADJECTIVE

open-eyed

Synonyms

WEAK

active all ears bright cagey careful circumspect clever fast on the draw good hands heads up heedful hip intelligent jazzed observant on guard on one's toes on the ball on the job on the lookout on the qui vive perceptive psyched-up quick ready sharp spirited vigilant wakeful wary watchful wide-awake wired wise with it

ADJECTIVE

sophisticated

Synonyms

STRONGEST

mature practical refined worldly

STRONG

bored citified cool cultivated disenchanted disillusioned experienced jaded knowing practiced schooled seasoned smooth studied

WEAK

adult artificial been around blasé couth cynical in in the know into jet-set laid-back mondaine on to sharp skeptical stagy streetwise suave svelte switched-on uptown urbane well-bred wise to wised-up with it world-weary worldly-wise

Antonyms

STRONGEST

inexperienced unrefined unsophisticated

STRONG

enchanted encouraged enthusiastic excited uncool

WEAK

easy naive simple slow uncultivated uncultured

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 trendy tuned-in up on versed wise to

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.

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switched on

The epigenome consists of molecular tags that help control whether genes are switched on or off, ultimately influencing how cells behave.

From Science Daily ● Aug. 26, 2026

A squark can signal when the system is switched on, is functioning properly, but it can also carry location information.

From BBC ● Aug. 10, 2026

Thousands of people could preserve their right to appeal if the courts simply switched on recording equipment they’ve already installed for hearings where no court reporter is available, advocates argued.

From Los Angeles Times ● Aug. 10, 2026

TV news teams descended on the town when the meters were switched on a few weeks later.

From The Wall Street Journal ● Aug. 6, 2026

The lights automatically switched on when we entered.

From "Here to Stay" by Sara Farizan

switched on

Example Sentences

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