orbit; trajectory; railroad track; (right) track; proper course
simplistic (thinking, idea, etc.); hasty
short temper; quick temper; hot temper; impatience; irritability
timidity; cowardice; prudence; pedantry
hailing each other; acting in concert; responding (to); agreement; concord
same period; corresponding period; same year (of graduation, entering a company, etc.); contemporary; synchronization; synchronism
cannot avoid doing; cannot help but (do); is compelled to do; (feel) obliged to (do); has to do
opening to the public; making available to the public; putting on display; exhibiting; showing (play, movie, etc.); holding (interview, etc.)
being familiar with; having a thorough knowledge of; being well-informed about
private; exclusive; secret
to chase; to run after; to pursue
combination; spouse; husband or wife; married couple; husband and wife
breeding; multiplication; increase; propagation; reproduction
split; division; break up
sexual reproduction; zoogamy
malicious; vicious; malignant; shoddy; inferior; poor-quality
intensification; aggravation
mating; crossbreeding; cross-fertilization; cross-fertilisation
descendant; posterity; offspring
alternation of generations
defect; fault; flaw; deformity; deficiency; shortage
sexual act; sexual intercourse
rich (in flavor, color, smell, etc.); thick; very likely; highly possible; passionate; hot
patient's condition; pathology
leaping; activity; leapfrog (over a problem); making a leap (e.g. in logic); making great strides; making rapid progress
reproductive capability; fertility; fecundity; biotic potential
tendency; trend; inclination
ongoing; in progress; afoot
millennium; one thousand years; (fig.) long time
overanxiety; needless worry