v.1. To bear or convey something to a higher place: Please take these books up to the attic. When you go to the attic, don't forget to take up those old lamps.
2. To remove something from a surface: He took up the rug so that the dog's muddy paws wouldn't stain it.
3. To absorb or adsorb something: Leaves take up carbon dioxide from the air. There's a wine stain on the rug, but this absorbing cleaner will take it up.
4. To assume or adopt some character or manner: He later took up a friendly attitude, but he was still unhappy.
5. To assume some position, structure, or method: The soldiers took up positions along the river. The executive took up a new post as CFO. The statistical technique developed by physicists was taken up by economists.
6. To reduce some article of clothing by some amount in size; shorten or tighten something: I'll need to take these sleeves up about a half inch. The tailor took up the hem two inches.
7. To accept some offer or challenge: I took up the offer to go out to dinner. He took her challenge up, and they agreed to meet that night to play darts.
8. take up on To accept from someone some offer or challenge: I am going to take you up on that invitation to your cottage on the lake.
9. To resume something; pick up something: The narrator took up the story at the point where she had stopped for a break.
10. To use up, consume, or occupy some period of time or space: Homework took up most of the kids' afternoons. The chores took all my time up. My suitcase takes up too much space.
11. To develop an interest in some activity and devote time to it: Later in life they both took up mountain climbing. I took yoga up because it relaxes me.
12. To enter into some profession or business: She took up engineering after college. He took chemistry up after realizing he didn't like physics.
13. To deal with something: Let's take up each problem one at a time. We'll take each issue up separately.
14. take up for To support some person or group in an argument: The politician took up for the protesters and pleaded their case before the committee.
15. take up with To bring something to someone for advice: I'm going to take the matter up with my lawyer.
16. take up with To begin to associate with some person or group; consort with some person or group: She's taken up with a fast crowd and no longer calls me.