Words
making new discoveries, using new methods etc.
groundbreaking
to try to do something that you probably cannot succeed in doing
fight a losing battle
not as good or important as some people think or say
overrated
it fails to interest or amuse people
fall flat
very important or necessary
key
having a great influence or effect
far-reaching
to stop doing something that is failing, so that you do not waste any more money, time or effort
cut your loss
es
more important than anything else in a situation, system etc.
pivotal
is extremely boring or makes you feel very unhappy
soul-destroying
not important in a particular situation
immaterial
actions that are useless because they have no chance of being successful
futile
it fails quickly or no one pays attention to it
sink without trace
important or interesting enough to deserve your attention
noteworthy
is the range of activities or situations that you feel happy and confident in
comfort zone
not as important as other things or people in a particular activity, idea or situation
peripheral
a person has no good qualities or useful skills
worthless
start again with a completely new plan or idea, after the one you tried before has failed
go back to the drawing board
too slight or unimportant to have any effect
to avoid risks
play it safe
made to feel less important or valuable than you really are
undervalued
to improve life for yourself after a bad experience
to pick yourself up
someone is so important or useful that it is impossible to manage without them
to stop worrying about danger and to take a big risk
to throw caution to the winds
used to encourage someone to try to achieve something
go for it