Undergird

hardPositive tone

un-der-GERD

verb

Definition

To support or strengthen from below

Memory hook

UNDER-GIRD: to put a GIRDER (support beam) UNDER something — to strengthen from below.

See more GRE words with mnemonics.

Examples

Strong evidence undergirds the theory.
Shared values undergird the partnership.

Test yourself

Fill in the blank with the right word:

Strong evidence ______ the theory.
Show answer

undergirds

Synonyms

Antonyms

undermineweakensubvertdestabilize

Categories

View all Support words

GRE Tip

Undergird is a hard-difficulty GRE word. On the GRE, you might see it paired with synonyms like "bolster" or "buttress" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "undermine".

Read: How to Memorize GRE Words That Actually Stick

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