The nature of this gas enables it to absorb the majority of the sun's ultraviolet rays, thus saving the human race from the granddaddy of all sunburns.
Source: wiktionary
Ranked by relevance and common usage.
Keep "granddaddy" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "granddaddy" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "granddaddy", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "granddaddy" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
4 total sentences available.
The nature of this gas enables it to absorb the majority of the sun's ultraviolet rays, thus saving the human race from the granddaddy of all sunburns.
Source: wiktionary
In the far corner, representing the twentieth century, is the granddaddy of all common stocks, AT&T. Here is a company that earned its place in the pantheon of great stocks simply by increasing its dividend for an absurdly long period of time.
Source: wiktionary
The region, with its twenty-two hours of summer daylight, is now known for its giant vegetables that include six-foot-wide cauliflower, eighteen-pound carrots, fifty-pound celery, and the granddaddy of all giant vegetables, the Alaskan cabbage ...
Source: wiktionary
A hundred years from now or two-hundred years from now they will speak of this tsunami of all tsunami'sā the granddaddy of all tsunami's.
Source: wiktionary
Closest matches include gramps, grandad, granddad, granddads, grandfather.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.