1. {adv. phr.} Actively engaged in a task as if doing
combat. •/"You want to know whether he will make a diligent worker?" Dick
asked. "Well, I can tell you that most of the time he is up and at them like no
one else I know."/ 2. {v. phr.} To become aggressively engaged in doing
something; (useable as a command). •/Come on, up and at them, you guys. We
still have a lot of work to get done./
[up-and-coming]
{adj. phr.} Bound toward success; upwardly mobile;
progressive; ambitious. •/The newly elected state senator is an up-and-coming
young politician who is expected to be highly successful in national politics
in the future./
[up a stump]
{adj. phr.}, {slang} Stumped; blocked; mixed up or
confused in what you are trying to do. •/Jimmy knows how to add and subtract
but fractions have him up a stump./
[up a tree]
{adv.} or {adj. phr.} 1. Hunted or chased into a tree;
treed. •/The dog drove the coon up a tree so the hunter could shoot him./
2. {informal} in trouble; having problems; in a difficulty that it is hard
to escape or think of a way out of. •/John’s father has him up a tree in the
checker game./ Compare: UP THE CREEK.
[up for grabs]
{adj. phr.}, {informal} Available for anyone to try
to get; ready to be competed for; there for the taking. •/When the captain of
the football team moved out of town, his place was up for grabs./
[up front(1)]
{n.}, {slang}, {informal} The managerial section
of a corporation or firm. •/Joe Catwallender finally made it (with the) up
front./
[up front(2)]
{adj.}, {slang}, {informal} Open, sincere, hiding
nothing. •/Sue was completely up front about why she didn’t want to see him
anymore./
[up in arms]
{adj. phr.} 1. Equipped with guns or weapons and ready to
fight. •/All of the colonies were up in arms against the Redcoats./ Syn.:
IN ARMS. 2. Very angry and wanting to fight. •/Robert is up in arms because
John said he was stupid./ •/The students were up in arms over the new rule
against food in the dormitory./
[up in the air]
{adj.} or {adv. phr.} 1. {informal} In great
anger or excitement. •/My father went straight up in the air when he heard I
damaged the car./ •/The Jones family are all up in the air because they are
taking a trip around the world./ Compare: HIT THE CEILING, BLOW A FUSE. 2.
also [in midair] Not settled; uncertain; undecided. •/Plans for the next
meeting have been left up in the air until Jane gets better./ •/The result
of the game was left hanging in midair because it rained before the finish./
Compare: LEAVE HANGING.
[up one’s alley]
See: DOWN ONE’S ALLEY.
[up one’s sleeve]
or [in one’s sleeve]{adv. phr.} 1. Hidden in the
sleeve of one’s shirt or coat and ready for secret or wrongful use. •/The
crooked gambler hid aces up his sleeve during the card game so that he would
win./ 2. {informal} Kept secretly ready for the right time or for a time
when needed. •/Jimmy knew that his father had some trick up his sleeve
because he was smiling to himself during the checker game./ Compare: CARD UP
ONE’S SLEEVE. 3. See: LAUGH UP ONE’S SLEEVE.