English

foolishly

gb/fˈulɪʃli/ us/fˈulɪʃli/
B2 English
Senses
0 senses
adverb B2 property
1

without good judgment

in a way that is not sensible

Usage pattern: [someone] foolishly [does something] / foolishly + verb
Common mistake:
Don’t use it to mean ‘accidentally’; it means the action was a bad idea.
Synonyms
unwisely (more neutral and less insulting than 'foolishly'.) | stupidly (harsher and more direct criticism.) | naively (emphasizes lack of experience or realism.)
Antonyms
wisely (shows good judgment.) | sensibly (emphasizes practical good sense.)
Collocations
foolishly agreed |foolishly decided |foolishly spent |foolishly assumed |foolishly believed |foolishly ignored |foolishly risked |foolishly trusted |foolishly underestimated |foolishly refused
Themes
daily_life |decisions |opinions
Examples
  • I foolishly left my phone on the train.
  • She foolishly invested all her savings in one company.
  • They foolishly ignored the storm warning and went hiking anyway.
Learner examples
  • I foolishly forgot my keys.
  • He foolishly said yes without thinking.
adverb B2 property
2

in a silly way

in a silly or playful way

Usage pattern: laugh/smile/giggle foolishly
Common mistake:
This sense is about being silly, not necessarily making a bad decision.
Synonyms
sillily (more childlike and less critical.) | goofily (more informal; suggests clownish behavior.)
Antonyms
seriously (in a thoughtful or non-playful way.) | solemnly (with a very serious tone.)
Collocations
smiled foolishly |laughed foolishly |giggled foolishly |grinned foolishly |looked foolishly |blushed foolishly |beamed foolishly |stared foolishly
Themes
emotions |relationships |daily_life
Examples
  • He smiled foolishly when he saw her walking toward him.
  • The kids giggled foolishly during the quiet part of the movie.
  • I stood there foolishly, unsure what to say next.
Learner examples
  • She laughed foolishly.
  • He smiled foolishly at the joke.
adverb C1 property
3

rashly, taking needless risks

in a risky way that is not smart

Usage pattern: foolishly + risk/venture/drive
Common mistake:
Often overlaps with 'unwisely'; this sense focuses on risk and carelessness.
Synonyms
rashly (emphasizes acting too quickly without thinking.) | carelessly (emphasizes lack of care or attention.)
Antonyms
cautiously (shows care to avoid danger.) | prudently (shows careful judgment, especially about risk.)
Collocations
foolishly risked |foolishly ventured |foolishly drove |foolishly challenged |foolishly gambled |foolishly attempted
Themes
risk |health |safety
Examples
  • He foolishly drove home in heavy fog without turning on his lights.
  • They foolishly ventured onto the ice before it was safe.
  • I foolishly risked my job by missing the deadline again.
Learner examples
  • He foolishly risked his safety.
Grammar
Dictionary form
foolishly
IPA
GB/fˈulɪʃli/
US/fˈulɪʃli/
Syllables & stress
fool - ishly (2 syllables)
Stress on 1st syllable (fool)
Word forms
Noun
  • Base: foolishly
  • Plural: foolishlies
Word family
Forms
foolishlies noun
Core family
fool noun B1 foolish adjective B1 foolishness noun B2
Related words
folly noun B2 foolproof adjective
Negative and opposite forms
wisely adverb B1 wise adjective B1
Advanced or less common
foolhardy adjective
Expressions

foolishly enough

1
/fˈulɪʃli ɪnˈʌf/
fixed phrase

admitting a bad decision

used to say you did something that was a bad idea

Examples
  • Foolishly enough, I thought the problem would fix itself.
  • Foolishly enough, we didn’t back up the files before updating the system.
  • Foolishly enough, he trusted the rumor without checking the facts.

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