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Definition of aider
aider
/ˈeɪ.dɚ/
aid · er
Plural:aiders
aider Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
2
aider Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A person who gives help, support, or assistance to another, especially in the legal phrase 'aider and abettor' denoting someone who assists in the commission of a crime.
Example
"The prosecution charged the getaway driver as an aider and abettor in the bank robbery."
Synonyms
View all synonyms for aider Antonyms
View all antonyms for aiderWord Nuance & Usage
Outside of the compound 'first-aider', 'aider' is mostly restricted to the legal phrase 'aider and abettor' (an accomplice in a crime); in general contexts, 'aide' or 'helper' is preferred.
• Rhymes for aider
Cite this Entry
Wordmom. (2026). Definition of Aider. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aider