(idiomatic) To act in a determined manner by firmly maintaining one's beliefs, demands, situation, etc. in the face of opposition.

(medicine) The insertion of sperm directly into a woman's uterus, typically as a way of increasing the chances of conception.

(US, meteorology) A figure used by American meteorologists to describe the apparent heat felt by a person as the result of a combination of temperature and humidity.

plural of pain in the bum

To colourise; to add colours to a black-and-white drawing, using coloured drawing equipment.

To add colors to a black-and-white drawing, using colored drawing equipment.

(transitive) to be subjected to

(transitive) to be afflicted by (a visible disruption of the body)

(slang, transitive) To betray someone by informing on them.

(idiomatic, informal) Failing to stand out or receive attention as a result of a larger-scale change or transformation.