indubitably - Master This Word
Master this word with our 5-step learning method – Learn English in English
indubitably Word Meanings
- certainly
- without a doubt
- undeniably
indubitably Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
indubitably Phonetic & Pronunciation
UK
/ɪnˈdjuːbɪtəbli/
US
/ɪnˈdubɪtəbli/
indubitably Word Etymology
The word is composed of 'in-' (not) + 'dubitare' (to doubt) + '-ly'. Originating from Latin, it traveled through Old French before entering English. Imagine a crowd cheering for a winner, assuring that there’s no doubt about their victory.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
Indubitably is a formal adverb used to stress that something is certain beyond doubt. It comes from Latin in- (not) + dubitare (to doubt) + -ly, traveling through Old French before landing in English. Today many native speakers reserve it for written or rhetorical contexts, such as editorial notes, classical literature quotes, or tongue-in-cheek humor. In everyday conversation, 'certainly' or 'undoubtedly' is much more natural, and overusing indubitably can sound pompous or ironic. When you use it, pair it with strong evidence or a bold claim, e. g., 'Indubitably, the data supports our conclusion.' Learners should also watch for collocations with adjectives (indubitably true) and avoid weaker hedges that diminish impact.
Usage Reminders
- 1. It signals formality and strong certainty.
- 2. Reserve for formal writing or rhetorical moments.
- 3. Use before adjectives: indubitably true.
- 4. Do not pair with hedges like perhaps.
- 5. It can sound pompous; use sparingly.
- 6. Pair with solid evidence to reinforce the claim.
Common Misconceptions
- It means 'maybe' or 'possible'.
- It is common in everyday speech.
- It can be used interchangeably with certainly in all contexts.
- Its origin is literally 'in doubt', so people think it means the opposite.
- It must always be followed by a stronger word like 'very'.
Thinking Differences
Indubitably is a very formal, literary-strengthening word in English. Learners often mistake it for everyday use and try to fit it into casual conversation. It tends to appear in editorial prose, historical writing, or tongue-in-cheek humor. Using it in ordinary speech can sound pompous or comic. A good rule: save it for contexts where you want to assert a claim with strong, well-supported certainty.
Learning Tips
- Learn pronunciation: /ˌɪn. juːˈdɪbɪ. tə. li/.
- Reserve for formal writing or rhetoric.
- Use before adjectives: indubitably true.
- Avoid hedges like perhaps or maybe.
- Pair with solid evidence to reinforce claims.
- Practice with quotes or opinion pieces.
5-Step Learning Method - Learn English in English
Step 1: Meaning
What does the word 'indubitably' mean?
A.Doubtfully
B.Definitely
C.Questionably
D.Uncertainly
Step 2: Usage
Choose the sentence that uses 'indubitably' correctly.
A.He will indubitably find her at the party tonight.
B.She indubitably doubts his sincerity.
C.The answer is indubitably two plus two equals five.
D.Indubitably, I will not be attending the event.
Step 3: Similar Words
Which word is most similar to 'indubitably'?
A.Unquestionably
B.Possibly
C.Certainly
D.Regrettably
Step 4: Opposite Words
What is the opposite of 'indubitably'?
A.Doubtfully
B.Confidently
C.Assuredly
D.Clearly
Step 5: Mastery
Can you think of a real-life context where certainty is expressed?
A.It might rain tomorrow, but I have no idea.
B.He possibly won the award.
C.I'm sure that the train is on time.
D.The results could be announced next week.
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