fault ②failure (in an examination)

absence

indispensable

defect

filling a vacancy ②substitute

absolutely essential

flawless

deficiency

running out of gasoline (petrol)

lack

absence

vacancy

defective item

oxygen deficiency

lack

having no money

absence due to illness

deficit ②being partially broken

geyser

attendance or absence

to chip ②to be missing (from a set, team, etc.) ③to be lacking (in) ④to wane (of the moon)

to chip ②to lack

to miss (doing)

to lack

without fail

waxing and waning (of the Moon)

fragment ②wane (of the Moon)

having plenty (of something)

to cut (out)

to break into pieces

dried, sliced herring

missing part ②short weight ③false eye

to fail in one's social duties

to lack in common sense

missing important things here and there

cutout

to be lacking a trump card

to be lacking a trump card

indispensable

indispensable

lacuna

gap in the law

alleging diminution

invalid coupon

yawning and stretching oneself

big yawn