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الإنجليزية

ascertain

gb/ˌæsɚtˈeɪn/ us/ˌæsɚtˈeɪn/
B2 الإنجليزية
~ 5000
المعاني
0 معنى
فعل formal B2 action
1

Find out with certainty

To find out or learn something for sure after trying to get the facts.

نمط الاستخدام: to ascertain [something]
خطأ شائع:
Learners sometimes confuse 'ascertain' with 'assume' or 'guess', but 'ascertain' means to be sure after checking.
المرادفات
determine (Often interchangeable, but 'determine' is slightly broader and may refer to deciding rather than just finding out.) | verify ('Verify' emphasizes confirming information already believed or suspected.)
الأضداد
guess (Guessing means forming an opinion without certain knowledge, the opposite of ascertaining.) | assume (To take something as true without proof, which contrasts with confirming it through evidence.)
المتلازمات اللفظية
ascertain the facts |ascertain the cause |ascertain the truth |ascertain whether |ascertain the extent
الموضوعات
communication |research |investigation |education |core_vocabulary
أمثلة
  • The police are working to ascertain the cause of the accident.
  • We need to ascertain whether she will be available for the meeting.
  • The study aims to ascertain the effects of the new drug.
  • He tried to ascertain the truth by interviewing all witnesses.
  • The inspector will ascertain if all safety measures are in place.
أمثلة للمتعلّمين
  • I called to ascertain the time of the meeting.
  • The doctor will ascertain if you have an infection.
  • They want to ascertain the reason for the delay.
  • We must ascertain if it is safe to go inside.
القواعد
الصيغة المعجمية
ascertain
IPA
GB/ˌæsɚtˈeɪn/
US/ˌæsɚtˈeɪn/
المقاطع والنبر
as - cer - tain (٣ مقاطع)
Stress on 2nd syllable (cer)
تصريفات الكلمة
Verb
  • Base: ascertain
  • 3rd Person Singular: ascertains
  • Present Participle: ascertaining
  • Past: ascertained
عائلة الكلمة
Forms
ascertains verb ascertaining verb ascertained verb
Core family
certain adjective B1 certainty noun B1 certainly adverb A2
Negative and opposite forms
uncertain adjective B1 uncertainty noun B1
Advanced or less common
ascertainable adjective ascertainment noun
التعبيرات

ascertain the cause

1
/ˌæsɚtˈeɪn ðə kˈɔz/
fixed phrase formal

Find out why something happened

To find out the reason why something happened.

أمثلة
  • Engineers are trying to ascertain the cause of the power outage.
  • We must ascertain the cause before we can fix the problem.

ascertain the facts

1
/ˌæsɚtˈeɪn ðə fˈækts/
fixed phrase formal

Find out the true details

To learn what is really true about something by checking carefully.

أمثلة
  • Before making a decision, we must ascertain the facts.
  • The lawyer worked hard to ascertain the facts of the case.

ascertain the truth

1
/ˌæsɚtˈeɪn ðə tɹˈuθ/
fixed phrase formal

Find out what is true

To find out what is really true about something.

أمثلة
  • They interviewed several witnesses to ascertain the truth.
  • It took months to ascertain the truth about what happened.
العودة إلى القائمة
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