a mite

From a + mite (“minute arachnid of the order Acarina; anything very small, a minute object, a very little quantity or particle”).

• ""I hope Mary has been the best of girls?" / "The bestest little girl, Sir—a mite too lively, perhaps, especially when she hears you're coming to see her,[…].["]"
• ""Silas, now," Esther Whitley had said, "would be a good one for you, Hannah. He's a mite on the old side, but he's steady, an' he's been wed before. He knows the ways of a woman better'n some.""
• "Those trousers are a mite too big, but you'll soon grow into them."
• "Words, words, words, bemoans Hamlet, in conversation with the garrulous but inconsequential Polonius, whom he labels a "seller of fish". Given that the Prince of Denmark is himself legendary for vacillation and inaction, this always seemed a mite cheeky to me."
• "The new show’s look is a mite slicker and the comic situations are set up and executed better, including Episode 1 in which Beavis and Butt-Head mistake an escape room’s bathroom for the place they need to escape."
• "In those circumstances, you’d have thought someone who had just blown $36bn of his company’s money in the pursuit of a personal obsession would have been a mite apologetic, wouldn’t you?"

• a bit
• a little
• a little bit
• a tad
• a smidgen
• a bit
• a little
• a little bit
• a mite
• a smidgen
• a smidgeon
• a tad
• a touch
• a trifle
• barely
• closely
• faintly
• hardly
• imperceptibly
• just
• marginally
• mildly
• modestly
• nearly
• only just
• scarcely
• slightly
• somewhat

• a lot