Travel Industry Dictionary Find Definitions Center Rule Travel Words Start with G
A Travel Words B Travel Words C Travel Words D Travel Words E Travel Words F Travel Words G Travel Words H Travel Words I Travel Words J Travel Words K Travel Words L Travel Words M Travel Words M Travel Words O Travel Words P Travel Words Q Travel Words R Travel Words S Travel Words T Travel Words U Travel Words V Travel Words W Travel Words X Travel Words Y Travel Words Z Travel Words Number Travel Words

Define SSSS

SSSS. A symbol sometimes placed on an airline boarding card by airlines that alerts security personnel that the bearer has done something “suspicious” such as buy a one-way ticket, pay in cash, or change reservations shortly before flight time.

To find the abbreviation, acronym, or term you’re looking for, use the Search box (below) or click on any letter (above).


Become A Home-Based Travel Agent

Join the home-based travel revolution. A complete home study course with a no-risk guarantee. Click here.