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Dictionary.com

under construction

ADJECTIVE
incomplete
Synonyms
STRONGEST
deficient fragmentary inadequate insufficient lacking partial sketchy
WEAK
abridged broken crude defective expurgated fractional garbled half-done immature imperfect incoherent meager part rough rude rudimentary short unaccomplished unconsummated undeveloped undone unexecuted unpolished
Antonyms
STRONGEST
adequate ample complete enough sufficient total whole
WEAK
accomplished finished perfect
ADJECTIVE
unfinished
Synonyms
STRONGEST
bare incomplete unadorned undeveloped unfulfilled
WEAK
amateurish crude cut short dabbling defective deficient dilettante faulty formless found wanting fragmentary half-baked half-done immature imperfect in the making in the rough lacking natural not done plain raw rough roughhewn shapeless sketchy tentative unaccomplished unassembled uncompleted unconcluded undone unexecuted unfashioned unperfected unpolished unrefined wanting
Antonyms
WEAK
completed finished polished refined whole

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

However, only a fraction of those projects — about 6,000, or roughly 14% — are under construction, according to the mayor.

From Los Angeles Times • May 1, 2026

The number of homes under construction, for instance, dropped early this year to a 5 ½-year low.

From MarketWatch • Apr. 29, 2026

"This event would never have happened with the Militarily Top Secret Ballroom currently under construction at the White House," Trump wrote.

From Barron's • Apr. 26, 2026

Kairos uses molten fluoride salt as a coolant, allowing it to operate at low pressures and high temperatures, and it also has a smaller demonstration reactor under construction in Oak Ridge.

From The Wall Street Journal • Apr. 23, 2026

It’s the nonworking brains that get blocked, that have dead ends, that are under construction like mine.

From "It’s Kind of a Funny Story" by Ned Vizzini