elucubrate

verb elucubrate

• bear down — If someone or something bears down on you, they move quickly towards you in a threatening way.
• cram — If you cram things or people into a container or place, you put them into it, although there is hardly enough room for them.
• grind — to wear, smooth, or sharpen by abrasion or friction; whet: to grind a lens.
• lucubrate — to work, write, or study laboriously, especially at night.
• overwork — to cause to work too hard, too much, or too long; weary or exhaust with work (often used reflexively): Don't overwork yourself on that new job.