non-slip device (material, tread, etc.); non-skid; anti-slip; back-up option (esp. with regard to university admissions); back-up choice; insurance choice
horizontal (as opposed to vertical); lying down; side-to-side (as opposed to front-to-back); width; side (of a box, etc.); beside
suicidal act; self-destroying action; suicidal action
to step forward; to take a step forward; to start on a project, etc.; to take the first step with
first of all; in the first place; to begin with; for starters
from now on; after this; in the future; from here; from this point
wandering; rambling; roaming
to swallow (e.g. a story); to accept without questioning; to swallow (food) whole; to gobble up; to gulp down
cannot (due to external circumstances); cannot afford to; must not; impossible to; no way one can (do)
sudden; abrupt; rapid; sharp; drastic; radical
to be visible; to be clear; to be evident; to be certain
cold; chill; cold weather; cold wave; cold air
to change; to alter; to reform; to correct; to examine; to check
dense; populous; crowded; thick
stinking; smelly; suspicious; fishy; clumsy; unskilled
to come to mind; to pop into one's head
barrier wall; bulkhead; partition; septum; diaphragm
to come down; to go down; to hang; to dangle; to move back; to step back; to deteriorate
not to mention ...; needless to say ...; not to speak of ...; (arch.) negligent; (arch.) neglectful; (arch.) careless
to rub out; to clean off; to clear away; to efface; to erase
to be added to; to be appended; to join in (e.g. a group of friends); to participate; to increase (e.g. heat); to gain in (e.g. influence)
one's nose wrinkles (from a strong stench)
extravagant; absurd; unbelievable; enormous; tremendous; extraordinary
stimulating; exciting; provocative
to polish up; to shine up
excretion; discharge; excrement
mistake; error; accident; mishap; improper conduct (e.g. between man and woman); indiscretion
even a little; any at all; if only a little; no matter how little
being amazed; being horrified; being taken aback
for a moment; for a minute; for a while; for some time; for the time being; for now
technically accomplished; technical; polished
to be inferior to; to be less good at; to fall behind
quality (of a product or a service)
difference; distinction; discrepancy; mistake; error