Example
Dictionary details
Related idioms
Expressions connected by reviewed component words or topic tags.
bleeding edge
Informal · CEFR C1
the very newest and most experimental technology, so new it may be unstable or unreliable
double-edged sword
Neutral · CEFR C1
something that has both great benefits and serious risks
state of the art
Neutral · CEFR B2
using the most advanced and modern techniques or technology
break new ground
Neutral · CEFR B2
to do something that has never been done before; to pioneer
break the mould
Neutral · CEFR B2
to do something new and different that sets a new standard
flavor of the month
Informal · CEFR B2
a person, framework, or thing that is fashionable for a very short time
Source methodology
Meanings, register, CEFR, and examples come from the reviewed dictionary record. Expression notes may describe a reviewed present-day word picture or a background note; they are not presented as verified etymology.