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Definition of underminer

underminer

/ˌʌn.dɚˈmaɪ.nɚ/
un · der · min · er
Adverb:underminingly
•
Plural:underminers
•
Adjective:undermining
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underminer Lexical Profile

underminer Game Scores & Validity

• noun

1

A person or thing that covertly or gradually weakens, subverts, or impairs the authority, confidence, or effectiveness of someone or something.

Example

"Constant cynicism in meetings makes him a subtle underminer of team morale."

2

One who excavates or digs beneath a structure, fortification, or natural formation, especially to cause it to collapse.

Example

"During the medieval siege, a skilled underminer was tasked with tunneling beneath the castle's outer wall."

Synonyms
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Antonyms
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• Rhymes for underminer

• Nearby Words

undermanned
undermentioned
undermine
underminer
underneath
undernourish
undernourished

Word Origin & Etymology

Formed in Middle English as an agent noun from the verb 'undermine', combining 'under-' (Old English 'under') and 'mine' (from Old French 'miner', to dig beneath fortifications), with the agentive suffix '-er'.

Cite this Entry

Wordmom. (2026). Definition of Underminer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/underminer
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