What's the difference between covert and elusive?

Covert


Definition:

  • (v. t.) Covered over; private; hid; secret; disguised.
  • (v. t.) Sheltered; not open or exposed; retired; protected; as, a covert nook.
  • (v. t.) Under cover, authority or protection; as, a feme covert, a married woman who is considered as being under the protection and control of her husband.
  • (a.) A place that covers and protects; a shelter; a defense.
  • (a.) One of the special feathers covering the bases of the quills of the wings and tail of a bird. See Illust. of Bird.

Example Sentences:

  • (1) Roshan was the latest victim in what is widely seen as a covert war against the Islamic republic's nuclear programme.
  • (2) Subsequent studies have demonstrated covert face recognition using behavioural tasks.
  • (3) His reports alleged active, sustained and covert collusion to subvert the election which, if confirmed, could constitute treason.
  • (4) The bill, intended to increase and update intelligence agency powers, would create a new framework for covert operations involving conduct that would otherwise breach criminal law.
  • (5) Somehow, despite all this, the Obama administration thinks it can “destroy” Isis, though, as the Post noted , the US government has not been able to destroy al-Qaida or any terrorist group in the last decade “through two wars, thousands of drone strikes and hundreds of covert operations around the world.” The only question now is how far this Forever War against Isis goes.
  • (6) Boko Haram spies spread the rumour that she refused to covert from Christianity to Islam.
  • (7) In general, the two studies show that qualitative characteristics of completely covert generations influence their impact on estimates of the frequency of external events.
  • (8) The drug subculture, the addict's family, and a methadone clinic all covertly elicit and reinforce this transformation maintained by the myth that the addict's is "out of control".
  • (9) A series of experiments were conducted on three severe prosopagnosic patients in an attempt to understand better this phenomenon known as covert face recognition, the conditions for its occurrence, and its functional locus.
  • (10) "Instead of actually fighting a conventional war, western powers and their allies appear to be relying on covert war tactics to try to delay and degrade Iran's nuclear advancement," Theodore Karasik, a security expert at the Dubai-based Institute for Near East and Gulf Military Analysis told Associated Press.
  • (11) The repurposing of the devices of unwitting users in foreign jurisdictions for covert attacks in the interests of one country’s national priorities is a dangerous precedent – contrary to international norms, and in violation of widespread domestic laws prohibiting the unauthorised use of computing and networked systems,” they conclude.
  • (12) Investigations mostly failed to show overt or covert face recognition, but NR performed at an above-chance level in selecting the familiar face on a task requiring a forced-choice between a familiar and an unfamiliar face.
  • (13) The covert self-evaluations were assumed to represent at internalization of early experiences of predominantly positive or negative social reinforcement from adult socializing agents.
  • (14) Richy Thompson, director of public affairs and policy at the British Humanist Association, welcomed the study, but said covert online access to abortion pills wasn’t enough.
  • (15) At the same time, by achieving a state of misery through following her mother's orders, she exposed her as ridiculous, and thus covertly discharged considerable aggression.
  • (16) Covert and overt depression was as frequent in the hysterectomized group as in the control group.
  • (17) The Information Commissioner's Office (ICO) said at Smith's tribunal that it believed some of the information held by the covert organisation and accessible to companies that subscribed to the service "could only have been supplied by the police or the security services".
  • (18) We now report that enhancement of calcium current in the peptidergic bag cell neurons of Aplysia by protein kinase C occurs through a different mechanism, the recruitment of a previously covert class of calcium channel.
  • (19) After all, the most basic freedom of all is the freedom to walk the streets unharmed and to sleep safe in our beds at night.” Parliament will soon debate the government’s first national security legislation bill to expand the powers of intelligence agencies and criminalise disclosure by any person of covert “special intelligence agencies”.
  • (20) It recommended that all radio communications taking place during undercover firearms operations should be recorded and covert armed response vehicles should be fitted with in-car data-recording systems.

Elusive


Definition:

  • (a.) Tending to elude; using arts or deception to escape; adroitly escaping or evading; eluding the grasp; fallacious.

Example Sentences:

  • (1) The successful treatment of the painful neuroma remains an elusive surgical goal.
  • (2) Diagnostic difficulties were encountered due to the rarity of such infections and elusive identification of the organism with routine laboratory procedures.
  • (3) Diagnosis with light microscopy can be elusive; electron microscopic and immunohistochemical evaluation are necessary to confirm the pathological condition.
  • (4) But an agreement looks elusive, and it appears that another election will be held soon.
  • (5) Effectiveness and safety of other molecules remain elusive.
  • (6) Thus, the identity of the suppressive factor(s) in cultured I-CB cell supernatants remains elusive.
  • (7) The quality of family life is as elusive a concept as is quality of life for the individual.
  • (8) In the United States, early diagnosis and cure of gastric carcinoma remain elusive.
  • (9) Despite their functional prominence, the structural requirements of fully functional GABAA-receptors are still elusive.
  • (10) The explanation for this dramatic loss of GSH has been investigated by many laboratories but the solution has been elusive.
  • (11) While the etiology and pathogenesis of such lesions remain elusive, physicians performing hair transplantations should be aware of this potential sequela.
  • (12) Les Cafeteras began the second half in similarly determined mode and the elusive Rincón sent a shot dipping fractionally over the bar from distance.
  • (13) Never before has so much been learned about the molecular biology of a virus in such a short time since its discovery and yet effective strategies for fighting the human immunodeficiency virus that causes AIDS remain elusive.
  • (14) With her first book, Girl Online, due out in November and an audience estimated to be 26 times that of the circulation of British Vogue, Zoella is a key example of what the advertising world call a “crowdsourced people’s champion” – one who earns hundreds of thousands of pounds a year and is paid by brands such as Unilever to connect with the ever-elusive 18-30 demographic.
  • (15) We retrospectively reviewed the MR examinations of five patients with surgically proved cervical epidural abscess in order to assist in the diagnosis of this clinically elusive disorder.
  • (16) Steroid hormone receptors are elusive, labile regulatory proteins which communicate the action of the sex hormones, estrogens and progestins, in target organs such as the breast and uterus.
  • (17) However, the principles of optimal mAb selection remain elusive, as their efficacy in vivo does not always correlate with their characteristics in vitro.
  • (18) Bacterial endocarditis is an elusive disease that challenges clinicians' diagnostic capabilities.
  • (19) The chronic inflammatory diseases in humans have been intensively investigated, however the immune mechanisms underlying diseases such as rheumatoid arthritis (RA), inflammatory bowel disease, and periodontal disease (PD) remain elusive.
  • (20) Three years later, the proud owner of a PG diploma in housing studies and member of the Chartered Institute of Housing, I was offered the opportunity to complete a further year's study and obtain that elusive degree.