knock-up

Pre-match hitting session

Knock-up has distinct meanings in British and American English.

In British usage, to knock someone up is to wake them by knocking on their door: I'll knock you up at seven.

In American English, to knock someone up is vulgar slang meaning to impregnate: He knocked her up in high school.

A knock-up in tennis or similar sports is a warm-up rally before play begins.

improvise

rig

Equipment arrangement or vehicle

patchwork · contrive · assemble · hastily · makeshift · rough · provisional · stopgap · bodge · lash-up

pregnant

conception

Formation of an idea

gestation · trimester · ultrasound · embryo · expecting · motherhood · parenthood · birth · midwife · obstetrician

wake

rouse

Stir to wakefulness

early · summon · alert · disturb · hotel · caller · rap · bang · door

Opposites
tennis/sports practice vs. competitive play

knock-upmatch

Game between opponents

tournament play · competition · set · competitive play · singles match

PREGNANCY/IMPREGNATION (informal American)

knock-upabort

End before completion

miscarry · abstain

WAKING SOMEONE (British)

knock-upput to sleep

Induce unconsciousness or death

sedate

Family

knock, knocks, knocked, knocking, knocker, knockers, upping, uppers

Familiarity
Top 500,000
Profile
Timeless · Everyday, not technical · Rated PG-13