Synonyms of the word

perturbation

• n. (uncountable) Agitation; the state of being perturbed.
• n. (countable) A small change in a physical system, or more broadly any definable system (such as a biological…
• n. (countable, astronomy, physics) Variation in an orbit due to the influence of external bodies.

activity

• n. The state or quality of being active; nimbleness; agility; vigorous action or operation; energy; active…
• n. Something done as an action or a movement.
• n. Something done for pleasure or entertainment, especially one involving movement or an excursion.
• n. Use (of internet, Playstation, bank account etc.).

agitation

• n. The act of agitating, or the state of being agitated; the state of being moved with violence, or with…
• n. A stirring up or arousing; disturbance of tranquillity; disturbance of mind which shows itself by physical…
• n. Excitement of public feeling by discussion, appeals, etc.
• n. Examination or consideration of a subject in controversy, or of a plan proposed for adoption; earnest…

discomposure

• n. The state of being discomposed.
• n. (obsolete) Discordance; disagreement of parts.

disruption

• n. An interruption to the regular flow or sequence of something.
• n. A continuing act of disorder.

disturbance

• n. The act of disturbing, being disturbed.
• n. Something that disturbs.
• n. A noisy commotion that causes a hubbub or interruption.
• n. An interruption of that which is normal or regular.
• n. (psychology) A serious mental imbalance or illness.

fluster

• v. (dated) To make hot and rosy, as with drinking.
• v. (by extension) To confuse; befuddle; throw into panic by making overwrought with confusion.
• v. (intransitive) To be in a heat or bustle; to be agitated and confused.

influence

• n. The power to affect, control or manipulate something or someone; the ability to change the development…
• n. An action exerted by a person or thing with such power on another to cause change.
• n. A person or thing exerting such power or action.
• n. (astrology) An element believed to determine someone's character or individual tendencies, caused by the…
• n. (obsolete) The action of flowing in; influx.
• n. (electricity) Electrostatic induction.
• v. (transitive) To have an affect on using gentle or subtle action; to exert an influence upon; to modify,…
• v. (intransitive) To exert, make use of one's influence.
• v. (transitive, obsolete) To cause to flow in or into; infuse; instill.

upset

• adj. (of a person) Angry, distressed, or unhappy.
• adj. (of a stomach or gastrointestinal tract, referred to as stomach) Feeling unwell, nauseated, or ready to…
• n. (uncountable) Disturbance or disruption.
• n. (countable, sports, politics) An unexpected victory of a competitor or candidate that was not favored…
• n. (automobile insurance) An overturn.
• n. An upset stomach.
• n. (mathematics) An upper set; a subset (X,≤) of a partially ordered set with the property that, if x is…
• v. (transitive) To make (a person) angry, distressed, or unhappy.
• v. (transitive) To disturb, disrupt or adversely alter (something).
• v. (transitive) To tip or overturn (something).
• v. (transitive) To defeat unexpectedly.
• v. (intransitive) To be upset or knocked over.
• v. (obsolete) To set up; to put upright.
• v. To thicken and shorten, as a heated piece of iron, by hammering on the end.
• v. To shorten (a tire) in the process of resetting, originally by cutting it and hammering on the ends.