dad
Dad (noun) means a father; an informal, affectionate word for one's male parent. Example: “My dad taught me how to ride a bike.”
How to use dad
Learner’s notesIn plain EnglishAn informal, warm word for "father," used from childhood into adulthood.
Informal — "father" is the more formal equivalent.
Word forms
dadded past tense, dadded past tense, dads plural, dads plural, dads singular, dads singular
Fill the gap
Can you complete this real example?
My _____ taught me how to ride a bike.
Etymology
Recorded in English from around 1500, likely from a child's early speech sounds — many unrelated languages have similar "da/ta" words for father, suggesting the word arose independently from baby babble rather than being inherited from one source.
Related words
Frequently asked questions
What does “dad” mean?
The word “dad” means a father; an informal, affectionate word for one's male parent. In plain terms, an informal, warm word for "father," used from childhood into adulthood.
How do you pronounce “dad”?
“Dad” is pronounced dad (/dæd/ in IPA).
How do you use “dad” in a sentence?
Here is “dad” used in a sentence: “My dad taught me how to ride a bike.”
What part of speech is “dad”?
“Dad” is a noun.
Where does the word “dad” come from?
The word “dad” dates back to around 1500.
Is “dad” a common word?
“Dad” is a very common word in modern English, usually learned at around the A1 level.
What is the difference between 'dad' and 'father'?
Both refer to a male parent, but they differ in tone. 'Father' is formal and neutral, common in official or serious contexts. 'Dad' is warm and informal, the word most people actually use when speaking to or about their own father. 'Dad' signals closeness; 'father' signals distance or formality.
Is 'dad' formal or informal?
'Dad' is informal and affectionate. You would use it in everyday speech, cards, and casual writing, but not usually in formal documents, where 'father' is preferred. Its friendly tone is exactly why it feels natural at home yet slightly out of place in official settings.
What are some other words for 'dad'?
Common alternatives include 'daddy', typically used by young children, and 'papa', 'pa', 'pop', or 'pops', which vary by region and generation. More formal is 'father', while playful terms like 'old man' appear in casual speech. Each carries its own level of warmth and formality.
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