Synonyms of the word

sporadic

• adj. (archaic) (of diseases) occurring in isolated instances; not epidemic.
• adj. Rare and scattered in occurrence.
• adj. Exhibiting random behavior; patternless.

discontinuous

• adj. having breaks or interruptions; intermittent.
• adj. (mathematics) having at least one discontinuity.

fitful

• adj. Irregular; unsteady; characterized by fits.

infrequent

• adj. Not frequent; not happening frequently.

intermittent

• adj. Stopping and starting at intervals; coming after a particular time span; not steady or constant.
• adj. (specifically, geology, of a body of water) Existing only for certain seasons; that is, being dry for…
• n. (medicine, dated) An intermittent fever or disease.

irregular

• adj. Nonstandard; not conforming to rules or expectations.
• adj. Of a surface, rough.
• adj. Without symmetry, regularity, or uniformity.
• adj. (geometry, of a polygon) Not regular; having sides that are not equal or angles that are not equal.
• adj. (geometry, of a polyhedron) Whose faces are not all regular polygons (or are not equally inclined to each…
• n. A soldier who is not a member of an official military force and, often, does not follow regular army tactics.
• n. One who does not regularly attend a venue.

isolated

• adj. Placed or standing apart or alone; in isolation.
• adj. (chess, of a pawn) Such that no pawn of the same color is in an adjacent file.
• adj. (meteorology, of precipitation) affecting 10 percent to 20 percent of a forecast zone.
• adj. (medicine) Which has been extracted from the organism.
• v. simple past tense and past participle of isolate.

noncontinuous

• adj. (rare) discontinuous; not continuing without interruption.

periodic

• adj. Relative to a period or periods.
• adj. Having repeated cycles.
• adj. Occurring at regular intervals.
• adj. Periodical.
• adj. (astronomy) Pertaining to the revolution of a celestial object in its orbit.
• adj. (rhetoric) Having a structure characterized by periodic sentences.
• adj. (chemistry) Relating to, derived from, or designating, the highest oxygen acid (HIO) of iodine.
• adj. Of or derived from a periodic acid.

spasmodic

• adj. Of or relating to a spasm; resembling a sudden contraction of the muscles.
• adj. Convulsive; consisting of spasms.
• adj. Intermittent or fitful; occurring in abrupt bursts.
• adj. Erratic or unsustained.

stray

• n. Any domestic animal that has no enclosure, or its proper place and company, and wanders at large, or is…
• n. (figuratively) One who is lost, either literally or metaphorically.
• n. The act of wandering or going astray.
• n. (historical) An area of common land or place administered for the use of general domestic animals, i.e…
• v. (intransitive) To wander, as from a direct course; to deviate, or go out of the way.
• v. (intransitive) To wander from company, or from the proper limits; to rove at large; to roam; to go astray.
• v. (intransitive, figuratively) To wander from the path of duty or rectitude; to err.
• v. (transitive) To cause to stray.
• adj. Having gone astray; strayed; wandering.
• adj. In the wrong place; misplaced.

unpredictable

• adj. Unable to be predicted.
• n. An unpredictable thing.