verb · neutral

lessen

/ˈles.ən/LES·sen

Band 6-7speakingtask2

to make something smaller in size, amount, or degree

Examples

Improving public transport can lessen traffic congestion.

Policies were introduced to lessen the health risks from pollution.

She tried to lessen the tension in the meeting by making a joke.

Band 8 sentence

To lessen the environmental impact of tourism, local councils should introduce stricter waste-management rules and limit visitor numbers in fragile areas.

Collocations

  • lessen the impact
  • lessen the risk of
  • lessen someone's chances

Word family

lessen verb (base)lessens verb (3rd sing.)lessened verb (past/p.p.)lessening verb (gerund)less adjective/adverb (related root)

Common mistakes

It lessen the chance of success.It lessens the chance of success.

Many lesson have been introduced to tackle pollution.Many lessons have been introduced to tackle pollution.

Say it for a higher band

5cut down (on)6reduce7+lessen

Synonyms

reduce

decrease

Easily confused

reduce

Strict rules can reduce traffic accidents.

lesson

She learnt an important lesson about saving money.

Related words

Learn this word with the rest of its set, and get reminded at the right time.

In -en

Learn it with its set