(idiomatic, followed by a clause) Thinking or making assumptions, often incorrectly.

below par

In secrecy or in hiding. / (horse-racing) Of a horse: restrained from performing at its best in a race, so as to mislead others regarding its potential.

(horse racing) Across the finish line. / (idiomatic) At the last minute; before the deadline; barely on time; nearly late.

(idiomatic) Without attracting notice; in an undetected or secretive manner.

(horticulture, literally) In a greenhouse, a cold frame, or a similar structure; said of the propagation and growth of plants. / In a glass case, like an item in a museum. / (idiomatic, slang) In jail.

(idiomatic) Whose future is uncertain due to an anticipated threat or change in circumstance. / (idiomatic) Under suspicion; subject to critical inspection.

Arrested by the police.

(Australia, New Zealand) Under pressure to perform, e.g. at work or in a sports contest. / Used other than figuratively or idiomatically: see under, pump.

(idiomatic) Under great pressure to perform. / (poker) Of, pertaining to, or in the situation of first player to act on the first round of betting.