Synonyms of the word 
UNDERGARMENT → GARMENT - UNMENTIONABLE
undergarment
- n. Any garment worn underneath others, especially one worn next to the skin; an item of underwear.
- n. (religion, in the plural) Temple garments worn by the followers of the Church of Jesus Christ of Latter-day…
garment
- n. A single item of clothing.
unmentionable
- adj. Not mentionable.
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