Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Some crib mattresses might also be (Juvenile Products Manufacturers Association), which provide requirements that go beyond the mandatory federal guidelines.
Source: https://www.forbes.com/sites/forbes-personal-shopper/article/best-crib-mattresses/