tamper with
[verb]
Synonyms: bribe, buy, buy off, fix, have, lubricate, sop, square, meddle, busybody, butt in, fool, horn in, interfere, interlope, intermeddle, make, monkey (with)

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Related Words: interpose, intervene, doctor, manipulate

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English Thesaurus: damage, harm, spoil, vandalize, sabotage, ...

[TahlilGaran] English Synonym Dictionary ▲

tamper with something phrasal verb (see also tamper)
to touch something or make changes to it without permission, especially in order to deliberately damage it:
He noticed that the instruments had been tampered with.
I don’t see the point in tampering with a system that’s worked fine so far.

[TahlilGaran] Dictionary of Contemporary English ▲

damage to cause physical harm to something or someone, or have a bad effect on them:
Several buildings were damaged by the earthquake.
The other car wasn’t damaged.
The scandal could damage his career.
harm to have a bad effect on something:
They use chemicals that will harm the environment.
The oil crisis could harm the economy.
spoil to have a bad effect on something and make it less successful, enjoyable, useful etc:
We didn’t let the rain spoil our holiday.
Local people say the new buildings will spoil the view.
vandalize to deliberately damage buildings, vehicles, or public property:
All the public telephones in the area had been vandalized.
sabotage /ˈsæbətɑːʒ/ to secretly damage machines or equipment so that they cannot be used, especially in order to harm an enemy:
There is evidence that the airplane was sabotaged.
tamper with something to deliberately and illegally damage or change a part of something in order to prevent it from working properly:
The car’s brakes had been tampered with.
desecrate to damage a church or other holy place:
The church had been desecrated by vandals.
deface /dɪˈfeɪs/ to deliberately spoil the appearance of something by writing on it, spraying paint on it etc:
Someone had defaced the statue and painted it bright orange.

[TahlilGaran] English Thesaurus ▲

tamper with
to attempt to alter or change something
Someone tampered with the lock on the storage locker room.

[TahlilGaran] English Idioms Dictionary ▲

tamper with something
to attempt to alter or change something
Someone tampered with the lock on the storage locker room.

[TahlilGaran] English Idioms Dictionary ▲

tamper with
v.
1. To meddle with (something); handle ignorantly or foolishly.
He tampered with the insides of his watch and ruined it.
2. To secretly get someone to do or say wrong things, especially by giving him money, or by threatening to hurt him.
A friend of the man being tried in court tampered with a witness.

[TahlilGaran] English Idioms Dictionary ▲