Example
Dictionary details
Tags
Related idioms
Expressions connected by reviewed component words or topic tags.
bleeding edge
CEFR C1the very newest and most experimental technology, so new it may be unstable or unreliable
Informal
double-edged sword
CEFR C1something that has both great benefits and serious risks
Neutral
state of the art
CEFR B2using the most advanced and modern techniques or technology
Neutral
break new ground
CEFR B2to do something that has never been done before; to pioneer
Neutral
break the mould
CEFR B2to do something new and different that sets a new standard
Neutral
flavor of the month
CEFR B2a person, framework, or thing that is fashionable for a very short time
Informal
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.