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Definitions

at random

ADJECTIVE
chance
Synonyms
STRONG
contingent incidental
WEAK
adventitious by-the-way casual fluky fortuitous fortunate happy inadvertent lucky odd offhand unforeseen unintentional unlooked-for unplanned
Antonyms
WEAK
designed foreseeable planned understood
ADJECTIVE
hit or miss
Synonyms
WEAK
by chance haphazardly
ADVERB
anyhow
Synonyms
STRONGEST
anyway
WEAK
about any which way around at any rate haphazard haphazardly helter-skelter however in any case in any respect in any way in either way in one way or another in whatever way nevertheless random randomly regardless under any circumstances whatever happens willy-nilly
ADVERB
blindly
Synonyms
STRONGEST
aimlessly frantically indiscriminately instinctively madly wildly
WEAK
confusedly in all directions pell-mell purposelessly
Antonyms
WEAK
carefully cautiously considerately purposely reasonably sensibly
ADVERB
helter-skelter
Synonyms
STRONGEST
haphazard headlong jumbled
WEAK
about any which way anyhow anywise around cluttered disorderly hastily higgledy-piggledy hit-or-miss hotfoot hurriedly impetuously in confusion incautiously incontinently irregular muddled pell-mell random randomly rashly recklessly topsy-turvy tumultuously unmindfully wildly
Antonyms
WEAK
carefully methodical organized straight systematic
ADVERB
occasionally
Synonyms
STRONGEST
hardly infrequently periodically seldom sometimes sporadically
WEAK
at intervals at times every so often from time to time irregularly now and again on occasion once in a blue moon once in a while once or twice uncommonly
Antonyms
WEAK
always constantly frequently regularly steadily usually

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.

He and his team selected 50 stocks at random from the 500 largest companies by market capitalization each month since 1999, assigning them equal starting weights.

From Barron's • Mar. 26, 2026

In these "RCTs," participants are assigned at random to different groups.

From Science Daily • Feb. 25, 2026

At K1 Speed, all drivers compete in identical cars assigned at random, which puts the emphasis on driving skill.

From Los Angeles Times • Jan. 26, 2026

Like the earlier catalog, it’s a fun book to dip into at random.

From The Wall Street Journal • Dec. 5, 2025

Kaede had the impression that additional wings had been added at random, creating a maze of connecting rooms that opened here and there into sky wells and broader courtyards.

From "Huntress" by Malinda Lo