Front

a group of animals that are born at the same time to the same mother

Back

litter

Front

in every way or as much as possible

Back

completely

Front

a material like very thick, stiff paper, usually pale brown, used especially for making boxes

Back

cardboard

Front

a hard, oval fruit from a pine tree that opens and releases seeds

Back

pinecone

Front

an invisible barrier of force (especially in science fiction)

Back

force field

Front

in a way that shows you are determined not to change your opinion or attitude

Back

stubbornly

Front

for a particular reason or person

Back

especially

Front

to fall, drop, or move suddenly

Back

plop

Front

to annoy somebody

Back

irritate

Front

very regularly; happening at the same time in the same way.

Back

like clockwork