| safe harbor | the target company defends itself by acquiring a company so onerously regulated that it makes the target less attractive, the acquisition gave the company a safe harbor |
| safe sex | sexual activity (especially sexual intercourse) with the use of measures (such as latex condoms) to avoid the transmission of disease (especially AIDS) |
condom
rubber safety safe prophylactic | contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse |
| fail-safe | a mechanism capable of returning to a safe state in case there is a failure or malfunction |
| meat safe | a safe for storing meat |
| safe | strongbox where valuables can be safely kept |
| safe | a ventilated or refrigerated cupboard for securing provisions from pests |
safe-deposit
safe-deposit box
safety-deposit
safety deposit box
deposit box
lockbox | a fireproof metal strongbox (usually in a bank) for storing valuables |
| safe house | a house used as a hiding place or refuge by members of certain organizations |
| safe period | that time during a woman's menstrual cycle during which conception is least likely to occur (usually immediately before of after menstruation) |
operate on
operate | perform surgery on, The doctors operated on the patient but failed to save his life |
| operate | happen, What is going on in the minds of the people? |
manoeuver
maneuver
manoeuvre
operate | perform a movement in military or naval tactics in order to secure an advantage in attack or defense |
operate
control | handle and cause to function, do not operate machinery after imbibing alcohol, control the lever |
engage
mesh lock operate | keep engaged, engaged the gears |
function
work operate go
run | perform as expected when applied, The washing machine won't go unless it's plugged in, Does this old car still run well?, This old radio doesn't work anymore |
operate
run | direct or control, projects, businesses, etc., She is running a relief operation in the Sudan |
| safe | (of an undertaking) secure from risk |
| safe | free from danger or the risk of harm, a safe trip, you will be safe here, a safe place, a safe bet |
| fail-safe | eliminating danger by compensating automatically for a failure or malfunction, a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident |
safe and sound
unhurt | free from danger or injury, the children were found safe and sound |
| safe(p) | having reached a base without being put out, the runner was called safe when the baseman dropped the ball |
| fail-safe | guaranteed not to fail, a fail-safe recipe for cheese souffle |
dependable
good safe
secure | financially sound, a good investment, a secure investment |