first-class

/ˌfɜːst ˈklɑːs/ (bre, ipa) · [fˌɚstklˈæs] /ˌfɝːst ˈklæs/ (ame, ipa) · [fˌɚstklˈæs] /ˈfərs(t)-ˈklas/ (ame, mw) · [fˌɚstklˈæs] /ˌfɜːrst ˈklæs/ (ame, ipa)

first-class — adjective

1. very good in a way that puts something among the best of its kind — for example,

1.形容詞B2
釋義

very good in a way that puts something among the best of its kind — for example, a meal, a hotel, or a piece of work that no one could reasonably complain about.

例句

Nala served Diego a first-class meal of grilled fish and saffron rice.

attributive: first-class + noun (meal)

The new library in Salma's village has first-class facilities for children.

first-class + plural noun (facilities)

同義詞
  • excellent

    neutral and very common; first-class adds a stronger feeling of admiration

  • outstanding

    emphasises standing above others; first-class focuses more on overall quality

  • top-notch

    informal alternative; first-class works in both formal and informal contexts

反義詞
  • poor

    general opposite for quality

  • second-rate

    implies clearly below acceptable quality

文法句型

first-class + noun

be + first-class

用法筆記

Often praises a person's skill, a piece of work, or a service. Distinguish from sense 3 (travel/hotel cabin) by checking whether the noun is a quality judgement (sense 1) or a literal cabin or ticket category (sense 3).

常見錯誤

The hotel is first-classed.
The hotel is first-class.
💡first-class never takes an -ed ending; the form does not change.

2. describing the highest band of an undergraduate degree at British and many Commo

2.形容詞C1
釋義

describing the highest band of an undergraduate degree at British and many Commonwealth universities — the band ranked above an upper second-class (a 2:1).

例句

Nadia graduated from Edinburgh with a first-class degree in mathematics.

collocation: first-class degree in [subject]

Only six students in Mei's history class earned first-class honours that year.

collocation: first-class honours (plural)

同義詞
  • first

    informal British shorthand: 'she got a first'

  • summa cum laude

    rough US equivalent for the top academic band

文法句型

first-class + degree/honours

用法筆記

Almost always modifies degree, honours, mark, or result. Subject is typically a student or graduate. Not used as a predicative adjective in this sense — say 'a first-class degree', not 'his degree was first-class'.

常見錯誤

Mei got a first class on her thesis.
Mei got a first-class mark on her thesis.
💡needs a head noun (degree, mark, honours).

3. describing the top tier of seating, service, or accommodation that an airline, t

3.形容詞B2
釋義

describing the top tier of seating, service, or accommodation that an airline, train operator, or hotel offers — costing more than the business or standard option.

例句

Nikhil saved for two years to book a first-class cabin on the night train to Mumbai.

collocation: first-class cabin

The airline gave Élise a free upgrade to a first-class seat after the long delay.

collocation: first-class seat

同義詞
  • premium

    common in airline marketing for the top tier

  • luxury

    broader scope; describes any high-end product, not only travel

反義詞
  • economy

    the cheapest travel class, opposite of first-class on planes and trains

  • second-class

    the band directly below on trains

文法句型

first-class + cabin/seat/ticket/lounge

用法筆記

Modifies physical travel goods (cabin, seat, ticket, lounge, suite). Subject is usually a traveller or service provider. Distinguish from sense 1: here the noun names a specific cabin or service tier, not a general quality judgement.

常見錯誤

Nadia booked a first-class to Tokyo.
Nadia booked a first-class ticket to Tokyo.
💡needs a head noun like ticket, seat, or cabin.

4. describing the everyday postal service most people choose for letters — faster t

4.形容詞B2
釋義

describing the everyday postal service most people choose for letters — faster than second-class in the UK, and used for ordinary letters in the US.

例句

Jenna stuck a first-class stamp on the birthday card before the post office closed.

collocation: first-class stamp

Salma sent the wedding invitations by first-class mail to make sure they arrived on time.

collocation: first-class mail

同義詞
  • priority

    US-style label for faster postal service

反義詞
  • second-class

    UK postal band below first-class, slower and cheaper

文法句型

first-class + stamp/mail/post

用法筆記

Modifies postal goods (stamp, mail, post, letter, postage). In the UK first-class is the faster tier (vs second-class); in the US it is the standard tier used for ordinary letters.

常見錯誤

Ada bought first-classes stamps.
Ada bought first-class stamps.
💡first-class stays unchanged before a plural noun.

first-class — adverb

first-class — noun