Properly secured.
Great, cool, awesome, respectable; a term of approbation, often as interjection.
Lenient, usually describing a teacher that is easy-going.
In a location that renders it difficult to hit with the cue ball.
Reliable; trusty.
When a batter successfully reaches first base, or when a baserunner successfully advances to the next base or returns to the base he last occupied; not out.
Not in danger; out of harm's reach.
Cautious.
Providing protection from danger; providing shelter.
Free from risk.
Of a programming language, type-safe or more generally offering well-defined behavior despite programming errors.
Not susceptible to a specified source of harm.
A condom.
A box, usually made of metal, in which valuables can be locked for safekeeping.
To make something safe.
Gaining access through unlocked doors.
Accessed by walking, either exclusively, as a campground, or together with drive-in access, as at some drive-in movie theaters.
Designed to be possible to walk into (without stepping over a ledge, etc).
That people may enter without a prior appointment.
Spacious enough to walk into.
A demonstration or protest in which the participants assemble outside a facility, gain media exposure, and enter the facility in unison.
A relatively small room (such as a closet or pantry) or refrigerator or freezer that is spacious enough to walk into.
A customer, job applicant or similar who visits a restaurant, medical facility, car dealership, etc. without a reservation, appointment, or referral.
A relatively larger room or (especially) an apartment that is entered directly, not via an intervening passage or lobby.
A person whose original soul has departed the body and been replaced with another.
A facility or an event that principally handles customers who do not have an appointment.
A defector (or similar) who walks into an embassy (etc) unannounced.
A facility accessed on foot rather than by car, usually contrasted to drive-in.