casually

casually — adverb

1. done without following strict rules about dress, behaviour, or social convention

1.副詞B2
釋義

done without following strict rules about dress, behaviour, or social convention — for instance, greeting a professor by first name or wearing sandals to a dinner party.

例句

Ravi dressed casually for the company picnic, wearing shorts and a T-shirt.

collocation: dress casually

The meeting was held casually in a coffee shop rather than a boardroom.

同義詞
  • informally

    Very close synonym; informally is slightly more formal in tone than casually itself.

  • nonchalantly

    Describes a relaxed attitude, closer to sense 2 (WITHOUT INTEREST) than to dress code.

反義詞
  • formally

    Direct opposite — implies strict adherence to rules, dress codes, or social conventions.

用法筆記

Frequently used with verbs of clothing (dress, wear) and communication (speak, greet, talk). Contrasts with formally in both register and appearance.

常見錯誤

He dressed casually for the funeral.
He dressed formally for the funeral.
💡A funeral is a formal occasion, so casually would be inappropriate.
She casually signed the contract without reading it.' (This mixes senses — signing without reading is careless, not about dress or manners.)
Use this sense only for informality in clothes or social rules, not for lack of attention.

2. showing little care or concern about something, treating it as if it does not ma

2.副詞B2
釋義

showing little care or concern about something, treating it as if it does not matter much — for example, shrugging when you hear bad news or mentioning a major success as though it were trivial.

例句

Priya mentioned her award casually, as if winning it meant nothing to her.

adverb modifies verb of speaking

The doctor casually dismissed the patient's symptoms, which upset the family greatly.

negative connotation: dismissing something important

同義詞
  • nonchalantly

    Emphasises a relaxed, easy manner that hides effort or emotion.

  • indifferently

    Stronger negative connotation of not caring at all.

  • offhandedly

    Focuses on doing something without thinking or preparing.

反義詞
  • seriously

    Implies genuine concern and attention.

  • carefully

    Opposite of treating something lightly.

用法筆記

Distinguish from sense 1 (INFORMALLY): this sense is about emotional detachment or lack of concern, not about dress codes or social informality. A person can be formally dressed yet speak casually about a loss. Common with verbs of communication (mention, say, drop, dismiss) and perception (glance, look, wave).

常見錯誤

He casually wore jeans to the interview.' (Uses sense 1 correctly — but if the intended meaning is that he didn't care about the interview, use sense 2 instead.)
He casually mentioned that he hadn't prepared for the interview.
💡Shows lack of concern.

❌ 'She casually jogged around the park.' (Ambiguous — could mean she dressed informally or didn't try hard.) Specify: 'She jogged casually, not really trying to improve her time.'

3. happening without previous planning, serious thought, or deliberate purpose — fo

3.副詞B2
釋義

happening without previous planning, serious thought, or deliberate purpose — for example, making a remark without considering the consequences, or finding something when you are not looking for it.

例句

Hana casually mentioned she might quit, not realising her boss was listening nearby.

lack of intention or forethought

The two old friends met casually at the airport and spent the layover together.

happening by chance, not arranged

同義詞
  • unintentionally

    Stronger emphasis on lack of purpose; less common in everyday speech.

  • haphazardly

    Suggests disorganisation or randomness, often negative.

反義詞

用法筆記

Distinguish from sense 2 (WITHOUT INTEREST): sense 2 focuses on emotional detachment (the person does not care), while sense 3 focuses on lack of planning or chance (the person did not mean to or did not think). A remark can be made casually-without-interest (I don't care what you think) or casually-by-chance (I didn't intend to say it). Test: if 'without caring' fits, use sense 2; if 'without meaning to / unexpectedly' fits, use sense 3.

常見錯誤

He casually ignored my question.' (Ignoring is deliberate — this sense is about unplanned actions.)
He casually responded without thinking, then regretted his words.
💡Shows unplanned outcome.

4. done without a regular schedule or permanent arrangement, such as working a few

4.副詞B2
釋義

done without a regular schedule or permanent arrangement, such as working a few days each week without a formal contract or picking up available shifts.

例句

Theo worked casually as a tour guide during the summer, with no fixed schedule.

collocation: work casually

The restaurant employs several people casually, calling them in only when busy.

passive: employed casually

同義詞
  • temporarily

    Focuses on short duration rather than irregularity of schedule.

  • part-time

    Often overlaps but part-time implies fixed hours fewer than full-time; casually implies no fixed commitment.

反義詞
  • permanently

    Direct opposite — a permanent position with a regular contract.

  • full-time

    Implies regular, fixed hours each week.

用法筆記

Usually modifies employment-related verbs (work, employ, hire). In this sense, casually contrasts with permanently or full-time. Common in contexts describing part-time, temporary, or freelance arrangements. British English uses casual work more frequently than American English.

常見錯誤

She casually worked on the project for weeks.' (Here 'casually' sounds like she was relaxed or not interested — use sense 2.)
She worked casually as a freelance designer, taking projects one at a time.
💡Describes irregular employment.