effect

full

The medicine took full effect within an hour and her headache disappeared completely.

adverse, catastrophic, crippling, damaging, debilitating, deleterious, destructive, detrimental, devastating, disastrous, harmful, ill, negative, serious, traumatic, undesirable, unfortunate

The new tax policy had a devastating effect on small businesses throughout the region.

the desired

The new medicine finally produced the desired effect after three weeks of treatment.

magical, remarkable

The new medicine had a remarkable effect on her energy levels within just two weeks.

domino, knock-on, ripple, spin-off

When one person quit the team, it created a ripple effect that disrupted the entire project.

deterrent, disincentive

Strict uniform policies had a deterrent effect on bullying in the school.

bring about, exert, have, produce

The new policy has had a significant effect on how students study in our school.

take

The new safety rules took effect on Monday morning at our workplace.

feel, experience, suffer (from)

Many people suffered from the negative effects of the pandemic on their mental health.

ameliorate, cushion, lessen, minimize, mitigate, reduce, soften

The new safety features helped reduce the effects of the accident on the passengers.

aim at

The new advertising campaign aimed at a powerful effect on young consumers.

wear off

The painkillers began to wear off after a few hours, so I took another dose.

in ~

The new rule, in effect, requires all students to wear uniforms starting next Monday.

to this/that ~

My boss said I should work harder or words to that effect during our meeting.

with ~

The new advertising campaign had a positive effect on sales figures.

~ on/upon

Regular exercise has a positive effect on your overall health and energy levels.

cause and effect

Understanding cause and effect helps students write better essays about why things happen.

to little/no effect

She tried to cheer him up with jokes, but to little effect.

come into

The new safety policy comes into effect starting next Monday.

bring sth into, put sth into

The new safety rules were brought into effect at the start of the year.

in ~

The new safety rules have been in effect since last month at our factory.

with ~

The new safety rules came into effect with the start of the school year.

the desired

The new marketing campaign had the desired effect on sales.

overall

The overall effect of the new policy was to make communication between departments much easier.

give (sth), have

The blue paint on the walls has a calming effect on visitors.

enhance, heighten

The bright lighting enhanced the effect of the special stage design.

for ~

The comedian waited a moment for effect before delivering the punchline.

to ~

The director employed dramatic lighting to great effect throughout the film.