Dictionary » U » Uncertain

Uncertain

uncertain

1. Not certain; not having certain knowledge; not assured in mind; distrustful. Man, without the protection of a superior being, . . . Is uncertain of everything that he hopes for. (Tillotson)

2. Irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze. O woman! in our hours of ease, Uncertain, coy, and hard to please! (Sir W. Scott)

3. Questionable; equivocal; indefinite; problematical. The fashion of uncertain evils. From certain dangers to uncertain praise. (Dryden)

4. Not sure; liable to fall or err; fallible. Soon bent his bow, uncertain in his aim. (Dryden) Whistling slings dismissed the uncertain stone. (gay)

Synonym: See precarious.

Origin: Pref. Un- _ certain. Cf. Incertain.


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Re: The evolution of facilitation and semelparity

... invest more in each brood for example, by laying more eggs for the case of the mayfly, then in a highly variable environment where the parent is uncertain whether she will survive, it will be beneficial to invest more in the current offspring rather than the future offspring. Thus overtime mayflies ...

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by Youngji
Sun Jan 11, 2015 11:55 am
 
Forum: Evolution
Topic: The evolution of facilitation and semelparity
Replies: 3
Views: 956

FIGURES!

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by Darby
Wed Apr 03, 2013 10:44 pm
 
Forum: Human Biology
Topic: FIGURES!
Replies: 6
Views: 3405

Plant physiology question

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by inglej
Tue Apr 03, 2012 5:41 am
 
Forum: General Discussion
Topic: Plant physiology question
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Re: Theories - Origin of Life

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by scottie
Mon Mar 19, 2012 4:42 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1127957

Re: Theories - Origin of Life

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by AstraSequi
Sun Mar 18, 2012 11:06 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1127957
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