Difference between Insufficient and Lack

INSUFFICIENT vs LACK: NOUN

Of a quantity not able to fulfill a need or requirement
Not sufficient; not enough; inadequate to any need, use, or purpose.
Wanting in strength, power, ability, capacity, or skill; incompetent; incapable; unfit.
Not sufficient.
Not sufficient; inadequate.

To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.
To be in want.
To be without or in need of.
To be missing or deficient.
To be in need of something.

Not sufficient; lacking in what is necessary or required; deficient in amount, force, or fitness; inadequate; incompetent: as, insufficient provision or protection; insufficient motives.

To pierce the hull of with shot.
See lac.
To lacquer; treat with lac.
To be wanting or deficient; come short; fail.
To be absent or away; be missing.
To be in want; suffer need.
To be wanting to; fail.
To be in want of; stand in need of; want; be without; be destitute of; fail to have or to possess.
To suffer the absence of; feel the deprivation of; miss.
To blame; reproach; speak in detraction of.
To beat. Also lacky.
Synonyms Lack, Need, Want. These words have come to overlap each other a good deal by figurative extension, and have considerable variety of peculiar idiomatic use. To lack is primarily and generally to be without, that which is lacked being generally some one thing, and a thing which is desirable, although generally not necessary or very important.
Used in the exclamatory phrase Good lack. See good.
To be insufficiently prepared

Adequate, Sufficient, Shy, Too little, Lean, Light, Short, Low, Depleted, Skimpy, Poor, Scarce, Scant, Deficient, Inadequate

Reluctance, Unfamiliarity, Insufficiency, Unwillingness, Unavailability, Absence, Inability, Inadequacy, Inadequate, Insufficient, Dearth, Paucity, Want, Miss, Deficiency

Adequate, Sufficient, Too little, Shy, Lean, Light, Short, Low, Depleted, Skimpy, Poor, Scarce, Scant, Deficient, Inadequate

Shortcomings, Disinterest, Reluctance, Unwillingness, Unavailability, Absence, Inability, Inadequacy, Inadequate, Insufficient, Dearth, Paucity, Want, Miss, Deficiency

Offers with insufficient information are liable to rejection.
Insufficient number of arguments or no entry found.
Insufficient attributes were given to create an object.
Mere knowledge of likelihood is legally insufficient proof.
Bank and the amount of interest was insufficient.
If there are insufficient facts in the affidavit there may be insufficient evidence for the Court to come to the desired finding.
If we return a postdated item because of insufficient funds in your Account, you will be subject to the insufficient funds penalty.
TKis causes insufficient voltage at motor induction and results in excessive output current but insufficient output torque.
Evidence was insufficient if there were no relevant trials or data were insufficient.
An insufficient sacrifice could not justify those who suffer from insufficient righteousness.

Teachers reported challenges to teaching SRH topics effectively, including lack of time, lack of appropriate skills and inadequate teaching materials.
Participative Legislation Committees lack of success, namely the lack of strong lobbying groups to defend the propositions that it approved.
There was, besides, a lack of morality and justice, a lack of austere rt!
THE HOPE CENTEROVERLAPPING CHALLENGESStudents who lack resources for housing often also lack resources for food.
In addition, many students complain about a lack of camaraderie and the lack of feeling like a department.
Sharing powerlessness means sharing both lack of information and lack of control in the given situation.
Lack of knowledge: Lack of information or clear data leads to loss of time.
Constraints for all teachers included large class sizes, children at different ability levels, lack of time and lack of new textbooks.
The three main unhealthy behaviors which are changeable include lack of smoking, too much eating, and lack of physical activity.
The primary cause of ESG failures is data: lack of data, lack of standards, and lack of understanding of how to use data.