1. upper

adjective. ['ˈʌpɝ'] higher in place or position.

Rhymes with Upper Bound

• ultrasound
• propound
• profound
• expound
• confound
• compound
• unwound
• unsound
• unbound
• resound
• renowned
• redound
• rebound
• newfound
• inbound
• impound
• astound
• aground
• surround
• ground
• frowned
• drowned
• crowned
• browned
• abound
• wound
• sound
• round
• 'round
• pound

2. bound

verb. ['ˈbaʊnd'] move forward by leaps and bounds.

3. bound

adjective. ['ˈbaʊnd'] confined by bonds.

4. bound

adjective. ['ˈbaʊnd'] held with another element, substance or material in chemical or physical union.

5. bound

adjective. ['ˈbaʊnd'] secured with a cover or binding; often used as a combining form.

6. bound

verb. ['ˈbaʊnd'] place limits on (extent or access).

7. bound

adjective. ['ˈbaʊnd'] (usually followed by `to') governed by fate.

8. bound

verb. ['ˈbaʊnd'] form the boundary of; be contiguous to.

9. bound

noun. ['ˈbaʊnd'] a line determining the limits of an area.

10. bound

adjective. ['ˈbaʊnd'] headed or intending to head in a certain direction; often used as a combining form as in `college-bound students'.

Sentences with upper-bound

1. Noun Phrase
In the above example, the upper bound is 4 and x cannot have that value, so write ",4)", making your answer in interval notation (-∞,4).