noun, American English - the process of making a method, system, etc. more modern

verb, American English - to make a method, system, etc. more modern

verb, British English - to make a method, system, etc. more modern

noun, formal - the process of becoming adult

noun - the state of not being fully developed or grown

noun - the state of not being mentally or emotionally developed

noun - the state of being mentally and emotionally developed

noun - the ability to be bent easily without breaking

noun - (of a person or an organization) the quality of being unable or unwilling to change their decisions, opinions, etc.

noun - the inability to adapt to any situation

noun - the fact that a material is hard, stiff and unable to be bent

noun - (trademark) a large felt-tip pen used for drawing or writing in big letters

adjective - permanent; lasting for a long time

adjective, formal - so difficult that it is nearly impossible to bear

adjective, formal - the fact that something difficult is possible to deal with