- a variation of sea dog.
noun
Etymology
Origin of seadog
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Joseph Conrad’s tale—as narrated by a wise old seadog, Capt. Charles Marlow—is an exhaustive analysis of an irreversible act.
From The Wall Street Journal ● Jan. 16, 2026
Aardman's first movie here is scurvy seadog romp The Pirates!
From The Guardian ● Jul. 25, 2011
In an Adventure with Scientists – which looks like a wonderful scurvy seadog romp.
From The Guardian ● Jul. 22, 2011
Harry Truman knows his limitations and is more apt to defer to the judgment of the old seadog who has devoted his life to naval and military affairs.
From Time Magazine Archive
She was too old a seadog to learn new tricks.
From "Cheaper by the Dozen" by Frank B. Gilbreth Jr. and Ernestine Gilbreth Carey
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
