Synonyms of the word

part-time

• adj. For, during, or involving less than the normal time for some activity.

half-time

• n. Alternative spelling of half time.

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.

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.

underemployed

• adj. Employed in a job that offers one fewer work hours than one wishes.