Synonyms of the word

improvised

• adj. created by improvisation; impromptu; unrehearsed.
• v. simple past tense and past participle of improvise.

impermanent

• adj. Not permanent; momentary.

jury-rigged

• v. simple past tense and past participle of jury-rig.
• adj. Improvised from whatever is available.

makeshift

• n. A temporary (usually insubstantial) substitution.
• adj. Made to work or suffice; improvised; substituted.

temporary

• adj. Not permanent; existing only for a period or periods of time.
• adj. Existing only for a short time or short times; transient, ephemeral.
• n. One serving for a limited time; short-term employee.