The base word in the word "meaningless" is "mean."
The base word in the word "meaningless" is "meaning". To identify the base word, you need to remove any prefixes or suffixes that are added to modify the root word. In this case, the suffix "-less" is added to the base word "meaning". By removing the suffix, you are left with the base word. In other words, "meaning" is the basic, root word from which "meaningless" is derived.
