plural of subject-matter

plural of matter of course

plural of particulate matter

(idiomatic) To worsen an already difficult situation or unfavourable set of circumstances, typically by acting rashly, foolishly, or incompetently.

Third-person singular simple present indicative form of make matters worse

simple past tense and past participle of make matters worse

present participle of make matters worse

plural of matter of life and death

plural of matter of life or death

(astronomy, astrophysics) Particles of matter that cannot be detected by their radiation but whose presence is inferred from gravitational effects.