present participle of switch on

(idiomatic) Something which is owed and which will be hurtful or difficult to provide; a debt owed to someone who is merciless and demanding.

(intransitive) to become rounder, plumper / (transitive) To make more complete by adding details.

Alternative form of necessity is the mother of invention

To be a crucial factor in determining the success of something.

Not following the planned, or intended, route.

Misspelling of of course.

(idiomatic) To lose one's special mastery of or knack for a particular skill or activity.

(idiomatic) To withdraw, especially in a discreet manner; to disengage; to quit.

(nautical) The person, on board ship, who sends and receives radio messages