Synonym: deficient, inadequate, unsatisfactory. Antonym: sufficient. Similar words: sufficient, sufficiently, sufficiency, efficient, efficiency, inefficiency, suffice, insufferable. Meaning: [‚ɪnsə'fɪʃnt] 
adj. of a quantity not able to fulfill a need or requirement.
adj. of a quantity not able to fulfill a need or requirement. 
Random good picture Not show
1 His children were dwarfed by insufficient food.
2 The food was both bad and insufficient.
3 His salary is insufficient to meet his needs.
4 Insufficient resources have been devoted to the health service.
5 Facilities for people with disabilities are still insufficient.
6 He decided there was insufficient evidence to justify criminal proceedings.
7 The unit has insufficient armament with which to do battle.
8 The food and drinks were insufficient for the needs of twenty lads.
9 He was reprimanded for insufficient control.
10 In diabetes the body produces insufficient insulin.
11 At the moment, there's insufficient evidence to arrest anyone.
12 They gave insufficient help in this project.
13 The case was dismissed because of insufficient evidence.
14 He was tired because he had had insufficient sleep.
15 The resources available are quite insufficient for the task.
16 There was insufficient evidence to convict him.
17 Our school has been reprieved from insufficient financial resources.
18 He was acquitted on the grounds of insufficient evidence.
19 His salary was insufficient for their needs.
20 Her daughter was dwarfed by insufficient food.
21 The management paid insufficient attention to working conditions.
22 The heating is insufficient to kill the bacteria.
23 British industry suffers through insufficient investment in research.
24 There is insufficient space for enlargement of the buildings.
25 His injuries have returned as there was insufficient recovery time between matches.
26 Life is the art of drawing sufficient conclusions from insufficient premises. 
27 Life is the art of drawing sufficient conclusions form insufficient premises.
28 The case was thrown out of court because of insufficient evidence.
29 There are fears that the existing flood barrier may prove insufficient.
30 The police have decided not to prefer charges against them because of insufficient evidence.
More similar words: sufficient, sufficiently, sufficiency, efficient, efficiency, inefficiency, suffice, insufferable, proficiency, scientific, unscientific, scientific method, suffix, official, ex officio, officially, officious, unofficial, science fiction, ancient, prescient, scientist, insurgent, presciently, conscientious, suffuse, suffer, suffrage, suffering, suffocate.