Show-off
[shoh-awf, -of] Show IPA
–noun
1.
a person given to pretentious display.
2.
the act of showing off.
Origin:
1770–80; noun use of verb phrase show off

—Related forms
show-off·ish, adjective

—Synonyms
1. exhibitionist, braggart.

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ra·di·o
[rey-dee-oh] Show IPA
noun, plural -di·os, adjective, verb, -di·oed, -di·o·ing.
–noun
1.
wireless telegraphy or telephony: speeches broadcast by radio.
2.
an apparatus for receiving or transmitting radio broadcasts.
3.
a message transmitted by radio.
–adjective
4.
pertaining to, used in, or sent by radio.
5.
pertaining to or employing radiations, as of electrical energy.
–verb (used with object)
6.
to transmit (a message, music, etc.) by radio.
7.
to send a message to (a person) by radio.
–verb (used without object)
8.
to transmit a message, music, etc., by radio.
Use radio in a Sentence
Origin:
1910–15; shortening of radiotelegraph or radiotelegraphy

—Related forms
pre·ra·di·o, adjective