| Answer | Crossword Clue |
|---|---|
| WHISTLERSMOTHER | Stifling of a happy bird? |
| hothouses | An environment that encourages the rapid growth or development of someone or something, esp. in a stifling or intense way |
| hothouse | An environment that encourages the rapid growth or development of someone or something, esp. in a stifling or intense way |
| acrolein | yellow, flammable liquid, C3H4O, having a stifling odor, usually obtained by the decomposition of glycerol: used chiefly in the synthesis of commercial and pharmaceutical products |
| smudgier | emitting a stifling smoke; smoky |
| smudgy | emitting a stifling smoke; smoky |
