automatic
gb/ˌɔtoʊmˈætɪk/ us/ˌɔtoʊmˈætɪk/
A2
英語
~ 2800
語義
0件の語義
adjective
A2
property
1
Working without manual control
Working by itself without someone controlling it.
用法パターン：
an automatic [device/machine/system]
よくある間違い：
Learners sometimes confuse 'automatic' with 'autonomous'; 'automatic' usually refers to a programmed or mechanical process, not independent decision-making.
類義語
self-operating (Highlights that no human intervention is needed at all.)
対義語
manual (Requires direct human operation or control.)
コロケーション
automatic door
|automatic transmission
|automatic response
|automatic payment
テーマ
technology
|daily life
|transportation
例文
- The building has automatic doors that open when you approach.
- My car has an automatic transmission, so I don't need to shift gears manually.
- The system sends an automatic email when your order ships.
学習者向け例文
- The lights are automatic and turn on at night.
- My watch is automatic and does not need batteries.
- The machine makes coffee automatically.
adjective
B1
property
2
Done without thinking
Happening without thinking about it.
用法パターン：
an automatic [reaction/response/reflex]
よくある間違い：
Learners may confuse 'automatic' in this sense with 'mechanical' in the physical device sense; here it refers to mental or bodily reactions.
類義語
instinctive (Emphasizes that the action is driven by instinct rather than conscious thought.)
対義語
deliberate (Done with careful thought and intention.)
コロケーション
automatic reaction
|automatic reflex
|automatic assumption
テーマ
psychology
|daily life
|core_vocabulary
|daily_life
例文
- Smiling when you see a baby is almost automatic.
- His automatic response was to say 'thank you'.
- Blinking is an automatic reflex.
学習者向け例文
- My automatic answer was yes.
- It is automatic to stand up when the teacher comes in.
- Blinking is an automatic action.
名詞
B2
entity
3
Self-loading firearm
A gun that keeps firing while you hold the trigger.
よくある間違い：
Learners may confuse 'automatic' as a noun with the adjective meaning; context usually makes it clear.
類義語
machine gun (A common term for fully automatic firearms, especially military ones.)
対義語
manual firearm (Requires reloading or cocking between shots.)
コロケーション
fully automatic
|automatic rifle
テーマ
military
|technology
|law
例文
- The soldiers carried automatics during the mission.
- Owning a fully automatic is restricted in many countries.
- He fired an automatic into the air.
学習者向け例文
- The police found an automatic in his car.
- An automatic can fire many bullets fast.
- Many countries do not allow people to own automatics.
文法
辞書形
automatic
IPA
GB/ˌɔtoʊmˈætɪk/
US/ˌɔtoʊmˈætɪk/
音節・強勢
auto - mat - ic （3音節）
Stress on 3rd syllable (ic)
活用形
Adjective
- Base: automatic
Noun
- Base: automatic
- Plural: automatics
関連語
表現
on automatic pilot
1/ˈɔn ˌɔtoʊmˈætɪk pˈaɪlət/
idiom
informal
Acting without conscious thought
Doing something without thinking because you have done it many times before.
例文
- I drove home on automatic pilot and barely remember the trip.
- She answered the questions on automatic pilot after so much practice.
automatic transmission
1/ˌɔtoʊmˈætɪk tɹænzmˈɪʃən/
fixed phrase
Self-shifting car gearbox
A system in a car that changes gears by itself.
例文
- My new car has an automatic transmission, so it's easier to drive in traffic.
- Automatic transmissions are common in the United States.
automatic transmission
2/ˌɔtoʊmˈætɪk tɹænzmˈɪʃən/
fixed phrase
technical
Self-shifting vehicle power system
A car system that changes gears by itself without the driver moving a gear stick.
例文
- She prefers cars with automatic transmissions.
- Automatic transmissions are common in the United States.