The most common and most likely answer to this crossword clue is the 4 letter word FIRM which also is the latest solution we found used in New York Times in 2016.
Not yielding, as a mattress crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| FIRM | 100 % | 4 | 
Words with a meaning similar to the clue: Not yielding, as a mattress
These words may or may not be a possible solution to this crosswords clue.- soft
 - firm
 - dead
 - easy
 - unbending
 - disobedient
 - idle
 - nonproductive
 - unrelenting
 - supple
 - tireless
 - acarpous
 
Crossword Answer definitions
FIRM noun- A business partnership; the name under which it trades.
 - A business enterprise, however organized.
 - A criminal gang, especially based around football hooliganism.
 
- To make firm or strong; fix securely.
 - To make compact or resistant to pressure; solidify.
 - To become firm; stabilise.
 - To improve after decline.
 - To shorten (of betting odds).
 - To select (a higher education institution) as one's preferred choice, so as to enrol automatically if one's grades match the conditional offer.
 
- Steadfast, secure, solid (in position)
 - Fixed (in opinion)
 - Durable, rigid (material state)
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution